Home / 1,094,085.78-1,508,648.13-711,402.90

Finding the Fourth Proportional to 1,094,085.78, 1,508,648.13 and 711,402.90

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Solution

The fourth proportional to 1,094,085.78, 1,508,648.13 and 711,402.90 is: 980,962.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,085.78 : 1,508,648.13 = 711,402.90 : x
  2. Step 2: Convert to fraction form
    1,094,085.78/1,508,648.13 = 711,402.90/x
  3. Step 3: Cross multiply
    1,094,085.78x = 1,508,648.13 × 711,402.90
  4. Step 4: Simplify right side
    1,094,085.78x = 1,073,256,654,761.58
  5. Step 5: Solve for x
    x = 1,073,256,654,761.58/1,094,085.78
  6. Step 6: Final answer
    x = 980,962.07

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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.