Home / 829,406.70-1,244,110.05-409,502.70

Finding the Fourth Proportional to 829,406.70, 1,244,110.05 and 409,502.70

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Solution

The fourth proportional to 829,406.70, 1,244,110.05 and 409,502.70 is: 614,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,406.70 : 1,244,110.05 = 409,502.70 : x
  2. Step 2: Convert to fraction form
    829,406.70/1,244,110.05 = 409,502.70/x
  3. Step 3: Cross multiply
    829,406.70x = 1,244,110.05 × 409,502.70
  4. Step 4: Simplify right side
    829,406.70x = 509,466,424,572.14
  5. Step 5: Solve for x
    x = 509,466,424,572.14/829,406.70
  6. Step 6: Final answer
    x = 614,254.05

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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.