Home / 910,693.74-1,256,732.34-502,788.15

Finding the Fourth Proportional to 910,693.74, 1,256,732.34 and 502,788.15

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Solution

The fourth proportional to 910,693.74, 1,256,732.34 and 502,788.15 is: 693,833.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,693.74 : 1,256,732.34 = 502,788.15 : x
  2. Step 2: Convert to fraction form
    910,693.74/1,256,732.34 = 502,788.15/x
  3. Step 3: Cross multiply
    910,693.74x = 1,256,732.34 × 502,788.15
  4. Step 4: Simplify right side
    910,693.74x = 631,870,128,273.77
  5. Step 5: Solve for x
    x = 631,870,128,273.77/910,693.74
  6. Step 6: Final answer
    x = 693,833.83

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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.