Home / 4,920,191.40-7,380,287.10-1,325,951.40

Finding the Fourth Proportional to 4,920,191.40, 7,380,287.10 and 1,325,951.40

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Solution

The fourth proportional to 4,920,191.40, 7,380,287.10 and 1,325,951.40 is: 1,988,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,191.40 : 7,380,287.10 = 1,325,951.40 : x
  2. Step 2: Convert to fraction form
    4,920,191.40/7,380,287.10 = 1,325,951.40/x
  3. Step 3: Cross multiply
    4,920,191.40x = 7,380,287.10 × 1,325,951.40
  4. Step 4: Simplify right side
    4,920,191.40x = 9,785,902,012,646.94
  5. Step 5: Solve for x
    x = 9,785,902,012,646.94/4,920,191.40
  6. Step 6: Final answer
    x = 1,988,927.10

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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.