Home / 916,167.15-1,374,697.85-648,018.18

Finding the Fourth Proportional to 916,167.15, 1,374,697.85 and 648,018.18

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Solution

The fourth proportional to 916,167.15, 1,374,697.85 and 648,018.18 is: 972,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,167.15 : 1,374,697.85 = 648,018.18 : x
  2. Step 2: Convert to fraction form
    916,167.15/1,374,697.85 = 648,018.18/x
  3. Step 3: Cross multiply
    916,167.15x = 1,374,697.85 × 648,018.18
  4. Step 4: Simplify right side
    916,167.15x = 890,829,195,566.82
  5. Step 5: Solve for x
    x = 890,829,195,566.82/916,167.15
  6. Step 6: Final answer
    x = 972,343.52

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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.