Home / 638,603.45-958,354.05-577,551.83

Finding the Fourth Proportional to 638,603.45, 958,354.05 and 577,551.83

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Solution

The fourth proportional to 638,603.45, 958,354.05 and 577,551.83 is: 866,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,603.45 : 958,354.05 = 577,551.83 : x
  2. Step 2: Convert to fraction form
    638,603.45/958,354.05 = 577,551.83/x
  3. Step 3: Cross multiply
    638,603.45x = 958,354.05 × 577,551.83
  4. Step 4: Simplify right side
    638,603.45x = 553,499,130,573.64
  5. Step 5: Solve for x
    x = 553,499,130,573.64/638,603.45
  6. Step 6: Final answer
    x = 866,733.71

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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.