Home / 621,834.55-927,901.96-554,813.95

Finding the Fourth Proportional to 621,834.55, 927,901.96 and 554,813.95

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Solution

The fourth proportional to 621,834.55, 927,901.96 and 554,813.95 is: 827,893.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,834.55 : 927,901.96 = 554,813.95 : x
  2. Step 2: Convert to fraction form
    621,834.55/927,901.96 = 554,813.95/x
  3. Step 3: Cross multiply
    621,834.55x = 927,901.96 × 554,813.95
  4. Step 4: Simplify right side
    621,834.55x = 514,812,951,640.34
  5. Step 5: Solve for x
    x = 514,812,951,640.34/621,834.55
  6. Step 6: Final answer
    x = 827,893.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.