Home / 849,403.17-1,172,176.56-467,429.95

Finding the Fourth Proportional to 849,403.17, 1,172,176.56 and 467,429.95

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Solution

The fourth proportional to 849,403.17, 1,172,176.56 and 467,429.95 is: 645,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,403.17 : 1,172,176.56 = 467,429.95 : x
  2. Step 2: Convert to fraction form
    849,403.17/1,172,176.56 = 467,429.95/x
  3. Step 3: Cross multiply
    849,403.17x = 1,172,176.56 × 467,429.95
  4. Step 4: Simplify right side
    849,403.17x = 547,910,427,901.53
  5. Step 5: Solve for x
    x = 547,910,427,901.53/849,403.17
  6. Step 6: Final answer
    x = 645,053.43

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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.