Home / 769,644.20-1,154,466.30-517,701.80

Finding the Fourth Proportional to 769,644.20, 1,154,466.30 and 517,701.80

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Solution

The fourth proportional to 769,644.20, 1,154,466.30 and 517,701.80 is: 776,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,644.20 : 1,154,466.30 = 517,701.80 : x
  2. Step 2: Convert to fraction form
    769,644.20/1,154,466.30 = 517,701.80/x
  3. Step 3: Cross multiply
    769,644.20x = 1,154,466.30 × 517,701.80
  4. Step 4: Simplify right side
    769,644.20x = 597,669,281,549.34
  5. Step 5: Solve for x
    x = 597,669,281,549.34/769,644.20
  6. Step 6: Final answer
    x = 776,552.70

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Double scale
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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.