Home / 563,032.38-777,059.52-321,259.53

Finding the Fourth Proportional to 563,032.38, 777,059.52 and 321,259.53

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Solution

The fourth proportional to 563,032.38, 777,059.52 and 321,259.53 is: 443,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,032.38 : 777,059.52 = 321,259.53 : x
  2. Step 2: Convert to fraction form
    563,032.38/777,059.52 = 321,259.53/x
  3. Step 3: Cross multiply
    563,032.38x = 777,059.52 × 321,259.53
  4. Step 4: Simplify right side
    563,032.38x = 249,637,774,972.50
  5. Step 5: Solve for x
    x = 249,637,774,972.50/563,032.38
  6. Step 6: Final answer
    x = 443,380.85

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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.