Home / 847,414.32-1,169,147.16-479,841.36

Finding the Fourth Proportional to 847,414.32, 1,169,147.16 and 479,841.36

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Solution

The fourth proportional to 847,414.32, 1,169,147.16 and 479,841.36 is: 662,019.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,414.32 : 1,169,147.16 = 479,841.36 : x
  2. Step 2: Convert to fraction form
    847,414.32/1,169,147.16 = 479,841.36/x
  3. Step 3: Cross multiply
    847,414.32x = 1,169,147.16 × 479,841.36
  4. Step 4: Simplify right side
    847,414.32x = 561,005,163,294.54
  5. Step 5: Solve for x
    x = 561,005,163,294.54/847,414.32
  6. Step 6: Final answer
    x = 662,019.92

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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.