Home / 729,298.24-1,006,487.24-402,674.24

Finding the Fourth Proportional to 729,298.24, 1,006,487.24 and 402,674.24

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Solution

The fourth proportional to 729,298.24, 1,006,487.24 and 402,674.24 is: 555,721.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,298.24 : 1,006,487.24 = 402,674.24 : x
  2. Step 2: Convert to fraction form
    729,298.24/1,006,487.24 = 402,674.24/x
  3. Step 3: Cross multiply
    729,298.24x = 1,006,487.24 × 402,674.24
  4. Step 4: Simplify right side
    729,298.24x = 405,286,484,436.70
  5. Step 5: Solve for x
    x = 405,286,484,436.70/729,298.24
  6. Step 6: Final answer
    x = 555,721.19

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Double scale
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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.