Home / 927,119.80-1,390,679.70-365,865.40

Finding the Fourth Proportional to 927,119.80, 1,390,679.70 and 365,865.40

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Solution

The fourth proportional to 927,119.80, 1,390,679.70 and 365,865.40 is: 548,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,119.80 : 1,390,679.70 = 365,865.40 : x
  2. Step 2: Convert to fraction form
    927,119.80/1,390,679.70 = 365,865.40/x
  3. Step 3: Cross multiply
    927,119.80x = 1,390,679.70 × 365,865.40
  4. Step 4: Simplify right side
    927,119.80x = 508,801,584,712.38
  5. Step 5: Solve for x
    x = 508,801,584,712.38/927,119.80
  6. Step 6: Final answer
    x = 548,798.10

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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.