Home / 5,659,426.20-8,489,139.30-5,411,420.40

Finding the Fourth Proportional to 5,659,426.20, 8,489,139.30 and 5,411,420.40

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Solution

The fourth proportional to 5,659,426.20, 8,489,139.30 and 5,411,420.40 is: 8,117,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659,426.20 : 8,489,139.30 = 5,411,420.40 : x
  2. Step 2: Convert to fraction form
    5,659,426.20/8,489,139.30 = 5,411,420.40/x
  3. Step 3: Cross multiply
    5,659,426.20x = 8,489,139.30 × 5,411,420.40
  4. Step 4: Simplify right side
    5,659,426.20x = 45,938,301,586,461.73
  5. Step 5: Solve for x
    x = 45,938,301,586,461.73/5,659,426.20
  6. Step 6: Final answer
    x = 8,117,130.60

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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.