Home / 876,251.10-1,314,376.65-377,615.10

Finding the Fourth Proportional to 876,251.10, 1,314,376.65 and 377,615.10

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Solution

The fourth proportional to 876,251.10, 1,314,376.65 and 377,615.10 is: 566,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,251.10 : 1,314,376.65 = 377,615.10 : x
  2. Step 2: Convert to fraction form
    876,251.10/1,314,376.65 = 377,615.10/x
  3. Step 3: Cross multiply
    876,251.10x = 1,314,376.65 × 377,615.10
  4. Step 4: Simplify right side
    876,251.10x = 496,328,470,127.42
  5. Step 5: Solve for x
    x = 496,328,470,127.42/876,251.10
  6. Step 6: Final answer
    x = 566,422.65

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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.