Home / 540,897.20-811,422.60-166,881.20

Finding the Fourth Proportional to 540,897.20, 811,422.60 and 166,881.20

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Solution

The fourth proportional to 540,897.20, 811,422.60 and 166,881.20 is: 250,345.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,897.20 : 811,422.60 = 166,881.20 : x
  2. Step 2: Convert to fraction form
    540,897.20/811,422.60 = 166,881.20/x
  3. Step 3: Cross multiply
    540,897.20x = 811,422.60 × 166,881.20
  4. Step 4: Simplify right side
    540,897.20x = 135,411,177,195.12
  5. Step 5: Solve for x
    x = 135,411,177,195.12/540,897.20
  6. Step 6: Final answer
    x = 250,345.49

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Half scale
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Double scale
Find fourth proportional to 540,898.20, 811,424.10 and 166,882.20
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.