Home / 916,125.81-1,264,255.11-508,227.66

Finding the Fourth Proportional to 916,125.81, 1,264,255.11 and 508,227.66

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Solution

The fourth proportional to 916,125.81, 1,264,255.11 and 508,227.66 is: 701,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,125.81 : 1,264,255.11 = 508,227.66 : x
  2. Step 2: Convert to fraction form
    916,125.81/1,264,255.11 = 508,227.66/x
  3. Step 3: Cross multiply
    916,125.81x = 1,264,255.11 × 508,227.66
  4. Step 4: Simplify right side
    916,125.81x = 642,529,419,754.06
  5. Step 5: Solve for x
    x = 642,529,419,754.06/916,125.81
  6. Step 6: Final answer
    x = 701,355.00

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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.