Home / 916,129.38-1,264,260.02-508,231.24

Finding the Fourth Proportional to 916,129.38, 1,264,260.02 and 508,231.24

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Solution

The fourth proportional to 916,129.38, 1,264,260.02 and 508,231.24 is: 701,359.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,129.38 : 1,264,260.02 = 508,231.24 : x
  2. Step 2: Convert to fraction form
    916,129.38/1,264,260.02 = 508,231.24/x
  3. Step 3: Cross multiply
    916,129.38x = 1,264,260.02 × 508,231.24
  4. Step 4: Simplify right side
    916,129.38x = 642,536,435,756.95
  5. Step 5: Solve for x
    x = 642,536,435,756.95/916,129.38
  6. Step 6: Final answer
    x = 701,359.93

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Double scale
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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.