Home / 715,226.35-986,764.15-457,254.29

Finding the Fourth Proportional to 715,226.35, 986,764.15 and 457,254.29

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Solution

The fourth proportional to 715,226.35, 986,764.15 and 457,254.29 is: 630,852.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,226.35 : 986,764.15 = 457,254.29 : x
  2. Step 2: Convert to fraction form
    715,226.35/986,764.15 = 457,254.29/x
  3. Step 3: Cross multiply
    715,226.35x = 986,764.15 × 457,254.29
  4. Step 4: Simplify right side
    715,226.35x = 451,202,140,805.70
  5. Step 5: Solve for x
    x = 451,202,140,805.70/715,226.35
  6. Step 6: Final answer
    x = 630,852.23

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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.