Home / 876,753.20-1,209,905.16-474,345.20

Finding the Fourth Proportional to 876,753.20, 1,209,905.16 and 474,345.20

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Solution

The fourth proportional to 876,753.20, 1,209,905.16 and 474,345.20 is: 654,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,753.20 : 1,209,905.16 = 474,345.20 : x
  2. Step 2: Convert to fraction form
    876,753.20/1,209,905.16 = 474,345.20/x
  3. Step 3: Cross multiply
    876,753.20x = 1,209,905.16 × 474,345.20
  4. Step 4: Simplify right side
    876,753.20x = 573,912,705,101.23
  5. Step 5: Solve for x
    x = 573,912,705,101.23/876,753.20
  6. Step 6: Final answer
    x = 654,588.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.