Home / 1,021,431.50-1,532,439.58-347,661.26

Finding the Fourth Proportional to 1,021,431.50, 1,532,439.58 and 347,661.26

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Solution

The fourth proportional to 1,021,431.50, 1,532,439.58 and 347,661.26 is: 521,591.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,431.50 : 1,532,439.58 = 347,661.26 : x
  2. Step 2: Convert to fraction form
    1,021,431.50/1,532,439.58 = 347,661.26/x
  3. Step 3: Cross multiply
    1,021,431.50x = 1,532,439.58 × 347,661.26
  4. Step 4: Simplify right side
    1,021,431.50x = 532,769,875,256.67
  5. Step 5: Solve for x
    x = 532,769,875,256.67/1,021,431.50
  6. Step 6: Final answer
    x = 521,591.39

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.