Home / 715,522.20-1,073,283.30-517,234.20

Finding the Fourth Proportional to 715,522.20, 1,073,283.30 and 517,234.20

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Solution

The fourth proportional to 715,522.20, 1,073,283.30 and 517,234.20 is: 775,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,522.20 : 1,073,283.30 = 517,234.20 : x
  2. Step 2: Convert to fraction form
    715,522.20/1,073,283.30 = 517,234.20/x
  3. Step 3: Cross multiply
    715,522.20x = 1,073,283.30 × 517,234.20
  4. Step 4: Simplify right side
    715,522.20x = 555,138,829,048.86
  5. Step 5: Solve for x
    x = 555,138,829,048.86/715,522.20
  6. Step 6: Final answer
    x = 775,851.30

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Half scale
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Double scale
Find fourth proportional to 715,523.20, 1,073,284.80 and 517,235.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.