Home / 1,238,736.76-1,708,470.56-1,023,503.16

Finding the Fourth Proportional to 1,238,736.76, 1,708,470.56 and 1,023,503.16

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Solution

The fourth proportional to 1,238,736.76, 1,708,470.56 and 1,023,503.16 is: 1,411,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,736.76 : 1,708,470.56 = 1,023,503.16 : x
  2. Step 2: Convert to fraction form
    1,238,736.76/1,708,470.56 = 1,023,503.16/x
  3. Step 3: Cross multiply
    1,238,736.76x = 1,708,470.56 × 1,023,503.16
  4. Step 4: Simplify right side
    1,238,736.76x = 1,748,625,016,926.97
  5. Step 5: Solve for x
    x = 1,748,625,016,926.97/1,238,736.76
  6. Step 6: Final answer
    x = 1,411,619.54

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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.