Home / 1,712,780.85-2,363,337.16-977,399.37

Finding the Fourth Proportional to 1,712,780.85, 2,363,337.16 and 977,399.37

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Solution

The fourth proportional to 1,712,780.85, 2,363,337.16 and 977,399.37 is: 1,348,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,780.85 : 2,363,337.16 = 977,399.37 : x
  2. Step 2: Convert to fraction form
    1,712,780.85/2,363,337.16 = 977,399.37/x
  3. Step 3: Cross multiply
    1,712,780.85x = 2,363,337.16 × 977,399.37
  4. Step 4: Simplify right side
    1,712,780.85x = 2,309,924,251,281.59
  5. Step 5: Solve for x
    x = 2,309,924,251,281.59/1,712,780.85
  6. Step 6: Final answer
    x = 1,348,639.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.