Home / 638,001.70-958,428.15-533,025.70

Finding the Fourth Proportional to 638,001.70, 958,428.15 and 533,025.70

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Solution

The fourth proportional to 638,001.70, 958,428.15 and 533,025.70 is: 800,729.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,001.70 : 958,428.15 = 533,025.70 : x
  2. Step 2: Convert to fraction form
    638,001.70/958,428.15 = 533,025.70/x
  3. Step 3: Cross multiply
    638,001.70x = 958,428.15 × 533,025.70
  4. Step 4: Simplify right side
    638,001.70x = 510,866,835,553.46
  5. Step 5: Solve for x
    x = 510,866,835,553.46/638,001.70
  6. Step 6: Final answer
    x = 800,729.58

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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.