Home / 937,918.20-1,406,877.30-440,254.20

Finding the Fourth Proportional to 937,918.20, 1,406,877.30 and 440,254.20

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Solution

The fourth proportional to 937,918.20, 1,406,877.30 and 440,254.20 is: 660,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,918.20 : 1,406,877.30 = 440,254.20 : x
  2. Step 2: Convert to fraction form
    937,918.20/1,406,877.30 = 440,254.20/x
  3. Step 3: Cross multiply
    937,918.20x = 1,406,877.30 × 440,254.20
  4. Step 4: Simplify right side
    937,918.20x = 619,383,640,209.66
  5. Step 5: Solve for x
    x = 619,383,640,209.66/937,918.20
  6. Step 6: Final answer
    x = 660,381.30

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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.