Home / 865,543.65-1,298,194.52-296,915.46

Finding the Fourth Proportional to 865,543.65, 1,298,194.52 and 296,915.46

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Solution

The fourth proportional to 865,543.65, 1,298,194.52 and 296,915.46 is: 445,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,543.65 : 1,298,194.52 = 296,915.46 : x
  2. Step 2: Convert to fraction form
    865,543.65/1,298,194.52 = 296,915.46/x
  3. Step 3: Cross multiply
    865,543.65x = 1,298,194.52 × 296,915.46
  4. Step 4: Simplify right side
    865,543.65x = 385,454,021,590.70
  5. Step 5: Solve for x
    x = 385,454,021,590.70/865,543.65
  6. Step 6: Final answer
    x = 445,331.70

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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.