Home / 1,854,420.60-2,781,630.90-656,333.40

Finding the Fourth Proportional to 1,854,420.60, 2,781,630.90 and 656,333.40

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Solution

The fourth proportional to 1,854,420.60, 2,781,630.90 and 656,333.40 is: 984,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,420.60 : 2,781,630.90 = 656,333.40 : x
  2. Step 2: Convert to fraction form
    1,854,420.60/2,781,630.90 = 656,333.40/x
  3. Step 3: Cross multiply
    1,854,420.60x = 2,781,630.90 × 656,333.40
  4. Step 4: Simplify right side
    1,854,420.60x = 1,825,677,266,142.06
  5. Step 5: Solve for x
    x = 1,825,677,266,142.06/1,854,420.60
  6. Step 6: Final answer
    x = 984,500.10

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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.