Home / 691,356.10-954,511.77-564,333.70

Finding the Fourth Proportional to 691,356.10, 954,511.77 and 564,333.70

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Solution

The fourth proportional to 691,356.10, 954,511.77 and 564,333.70 is: 779,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,356.10 : 954,511.77 = 564,333.70 : x
  2. Step 2: Convert to fraction form
    691,356.10/954,511.77 = 564,333.70/x
  3. Step 3: Cross multiply
    691,356.10x = 954,511.77 × 564,333.70
  4. Step 4: Simplify right side
    691,356.10x = 538,663,158,857.65
  5. Step 5: Solve for x
    x = 538,663,158,857.65/691,356.10
  6. Step 6: Final answer
    x = 779,139.95

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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.