Home / 876,146.04-1,314,020.86-402,375.96

Finding the Fourth Proportional to 876,146.04, 1,314,020.86 and 402,375.96

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Solution

The fourth proportional to 876,146.04, 1,314,020.86 and 402,375.96 is: 603,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,146.04 : 1,314,020.86 = 402,375.96 : x
  2. Step 2: Convert to fraction form
    876,146.04/1,314,020.86 = 402,375.96/x
  3. Step 3: Cross multiply
    876,146.04x = 1,314,020.86 × 402,375.96
  4. Step 4: Simplify right side
    876,146.04x = 528,730,405,002.53
  5. Step 5: Solve for x
    x = 528,730,405,002.53/876,146.04
  6. Step 6: Final answer
    x = 603,472.92

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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.