Home / 927,118.80-1,390,678.20-365,864.40

Finding the Fourth Proportional to 927,118.80, 1,390,678.20 and 365,864.40

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Solution

The fourth proportional to 927,118.80, 1,390,678.20 and 365,864.40 is: 548,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,118.80 : 1,390,678.20 = 365,864.40 : x
  2. Step 2: Convert to fraction form
    927,118.80/1,390,678.20 = 365,864.40/x
  3. Step 3: Cross multiply
    927,118.80x = 1,390,678.20 × 365,864.40
  4. Step 4: Simplify right side
    927,118.80x = 508,799,645,236.08
  5. Step 5: Solve for x
    x = 508,799,645,236.08/927,118.80
  6. Step 6: Final answer
    x = 548,796.60

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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.