Home / 731,497.40-1,009,559.34-409,225.40

Finding the Fourth Proportional to 731,497.40, 1,009,559.34 and 409,225.40

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Solution

The fourth proportional to 731,497.40, 1,009,559.34 and 409,225.40 is: 564,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,497.40 : 1,009,559.34 = 409,225.40 : x
  2. Step 2: Convert to fraction form
    731,497.40/1,009,559.34 = 409,225.40/x
  3. Step 3: Cross multiply
    731,497.40x = 1,009,559.34 × 409,225.40
  4. Step 4: Simplify right side
    731,497.40x = 413,137,324,735.24
  5. Step 5: Solve for x
    x = 413,137,324,735.24/731,497.40
  6. Step 6: Final answer
    x = 564,783.04

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.