Home / 459,282.92-688,097.70-432,265.23

Finding the Fourth Proportional to 459,282.92, 688,097.70 and 432,265.23

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Solution

The fourth proportional to 459,282.92, 688,097.70 and 432,265.23 is: 647,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,282.92 : 688,097.70 = 432,265.23 : x
  2. Step 2: Convert to fraction form
    459,282.92/688,097.70 = 432,265.23/x
  3. Step 3: Cross multiply
    459,282.92x = 688,097.70 × 432,265.23
  4. Step 4: Simplify right side
    459,282.92x = 297,440,710,552.97
  5. Step 5: Solve for x
    x = 297,440,710,552.97/459,282.92
  6. Step 6: Final answer
    x = 647,619.80

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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.