Home / 956,103.84-1,319,397.78-526,387.20

Finding the Fourth Proportional to 956,103.84, 1,319,397.78 and 526,387.20

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Solution

The fourth proportional to 956,103.84, 1,319,397.78 and 526,387.20 is: 726,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,103.84 : 1,319,397.78 = 526,387.20 : x
  2. Step 2: Convert to fraction form
    956,103.84/1,319,397.78 = 526,387.20/x
  3. Step 3: Cross multiply
    956,103.84x = 1,319,397.78 × 526,387.20
  4. Step 4: Simplify right side
    956,103.84x = 694,514,103,100.42
  5. Step 5: Solve for x
    x = 694,514,103,100.42/956,103.84
  6. Step 6: Final answer
    x = 726,400.29

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Double scale
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1.5x scale

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.