Home / 916,126.61-1,264,257.92-508,236.53

Finding the Fourth Proportional to 916,126.61, 1,264,257.92 and 508,236.53

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Solution

The fourth proportional to 916,126.61, 1,264,257.92 and 508,236.53 is: 701,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,126.61 : 1,264,257.92 = 508,236.53 : x
  2. Step 2: Convert to fraction form
    916,126.61/1,264,257.92 = 508,236.53/x
  3. Step 3: Cross multiply
    916,126.61x = 1,264,257.92 × 508,236.53
  4. Step 4: Simplify right side
    916,126.61x = 642,542,053,235.12
  5. Step 5: Solve for x
    x = 642,542,053,235.12/916,126.61
  6. Step 6: Final answer
    x = 701,368.18

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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.