Home / 1,125,221.46-1,687,827.15-460,373.46

Finding the Fourth Proportional to 1,125,221.46, 1,687,827.15 and 460,373.46

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Solution

The fourth proportional to 1,125,221.46, 1,687,827.15 and 460,373.46 is: 690,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,221.46 : 1,687,827.15 = 460,373.46 : x
  2. Step 2: Convert to fraction form
    1,125,221.46/1,687,827.15 = 460,373.46/x
  3. Step 3: Cross multiply
    1,125,221.46x = 1,687,827.15 × 460,373.46
  4. Step 4: Simplify right side
    1,125,221.46x = 777,030,824,927.44
  5. Step 5: Solve for x
    x = 777,030,824,927.44/1,125,221.46
  6. Step 6: Final answer
    x = 690,558.13

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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.