Home / 1,178,034.92-1,625,645.52-719,915.93

Finding the Fourth Proportional to 1,178,034.92, 1,625,645.52 and 719,915.93

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Solution

The fourth proportional to 1,178,034.92, 1,625,645.52 and 719,915.93 is: 993,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,034.92 : 1,625,645.52 = 719,915.93 : x
  2. Step 2: Convert to fraction form
    1,178,034.92/1,625,645.52 = 719,915.93/x
  3. Step 3: Cross multiply
    1,178,034.92x = 1,625,645.52 × 719,915.93
  4. Step 4: Simplify right side
    1,178,034.92x = 1,170,328,106,381.13
  5. Step 5: Solve for x
    x = 1,170,328,106,381.13/1,178,034.92
  6. Step 6: Final answer
    x = 993,457.91

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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.