Home / 1,248,010.20-1,872,015.30-616,793.40

Finding the Fourth Proportional to 1,248,010.20, 1,872,015.30 and 616,793.40

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Solution

The fourth proportional to 1,248,010.20, 1,872,015.30 and 616,793.40 is: 925,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,010.20 : 1,872,015.30 = 616,793.40 : x
  2. Step 2: Convert to fraction form
    1,248,010.20/1,872,015.30 = 616,793.40/x
  3. Step 3: Cross multiply
    1,248,010.20x = 1,872,015.30 × 616,793.40
  4. Step 4: Simplify right side
    1,248,010.20x = 1,154,646,681,739.02
  5. Step 5: Solve for x
    x = 1,154,646,681,739.02/1,248,010.20
  6. Step 6: Final answer
    x = 925,190.10

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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.