Home / 563,253.57-777,260.20-321,526.53

Finding the Fourth Proportional to 563,253.57, 777,260.20 and 321,526.53

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Solution

The fourth proportional to 563,253.57, 777,260.20 and 321,526.53 is: 443,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,253.57 : 777,260.20 = 321,526.53 : x
  2. Step 2: Convert to fraction form
    563,253.57/777,260.20 = 321,526.53/x
  3. Step 3: Cross multiply
    563,253.57x = 777,260.20 × 321,526.53
  4. Step 4: Simplify right side
    563,253.57x = 249,909,775,013.11
  5. Step 5: Solve for x
    x = 249,909,775,013.11/563,253.57
  6. Step 6: Final answer
    x = 443,689.64

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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.