Home / 816,281.40-1,224,422.10-532,846.20

Finding the Fourth Proportional to 816,281.40, 1,224,422.10 and 532,846.20

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Solution

The fourth proportional to 816,281.40, 1,224,422.10 and 532,846.20 is: 799,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,281.40 : 1,224,422.10 = 532,846.20 : x
  2. Step 2: Convert to fraction form
    816,281.40/1,224,422.10 = 532,846.20/x
  3. Step 3: Cross multiply
    816,281.40x = 1,224,422.10 × 532,846.20
  4. Step 4: Simplify right side
    816,281.40x = 652,428,663,181.02
  5. Step 5: Solve for x
    x = 652,428,663,181.02/816,281.40
  6. Step 6: Final answer
    x = 799,269.30

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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.