Home / 910,635.47-1,256,678.54-502,737.97

Finding the Fourth Proportional to 910,635.47, 1,256,678.54 and 502,737.97

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Solution

The fourth proportional to 910,635.47, 1,256,678.54 and 502,737.97 is: 693,779.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,635.47 : 1,256,678.54 = 502,737.97 : x
  2. Step 2: Convert to fraction form
    910,635.47/1,256,678.54 = 502,737.97/x
  3. Step 3: Cross multiply
    910,635.47x = 1,256,678.54 × 502,737.97
  4. Step 4: Simplify right side
    910,635.47x = 631,780,018,319.17
  5. Step 5: Solve for x
    x = 631,780,018,319.17/910,635.47
  6. Step 6: Final answer
    x = 693,779.28

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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.