Home / 910,562.68-1,256,543.56-502,655.76

Finding the Fourth Proportional to 910,562.68, 1,256,543.56 and 502,655.76

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Solution

The fourth proportional to 910,562.68, 1,256,543.56 and 502,655.76 is: 693,646.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,562.68 : 1,256,543.56 = 502,655.76 : x
  2. Step 2: Convert to fraction form
    910,562.68/1,256,543.56 = 502,655.76/x
  3. Step 3: Cross multiply
    910,562.68x = 1,256,543.56 × 502,655.76
  4. Step 4: Simplify right side
    910,562.68x = 631,608,858,124.91
  5. Step 5: Solve for x
    x = 631,608,858,124.91/910,562.68
  6. Step 6: Final answer
    x = 693,646.77

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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.