Home / 916,077.10-1,374,115.65-769,110.70

Finding the Fourth Proportional to 916,077.10, 1,374,115.65 and 769,110.70

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Solution

The fourth proportional to 916,077.10, 1,374,115.65 and 769,110.70 is: 1,153,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,077.10 : 1,374,115.65 = 769,110.70 : x
  2. Step 2: Convert to fraction form
    916,077.10/1,374,115.65 = 769,110.70/x
  3. Step 3: Cross multiply
    916,077.10x = 1,374,115.65 × 769,110.70
  4. Step 4: Simplify right side
    916,077.10x = 1,056,847,049,452.45
  5. Step 5: Solve for x
    x = 1,056,847,049,452.45/916,077.10
  6. Step 6: Final answer
    x = 1,153,666.05

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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.