Home / 865,828.80-1,194,070.08-543,568.92

Finding the Fourth Proportional to 865,828.80, 1,194,070.08 and 543,568.92

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Solution

The fourth proportional to 865,828.80, 1,194,070.08 and 543,568.92 is: 749,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,828.80 : 1,194,070.08 = 543,568.92 : x
  2. Step 2: Convert to fraction form
    865,828.80/1,194,070.08 = 543,568.92/x
  3. Step 3: Cross multiply
    865,828.80x = 1,194,070.08 × 543,568.92
  4. Step 4: Simplify right side
    865,828.80x = 649,059,383,789.91
  5. Step 5: Solve for x
    x = 649,059,383,789.91/865,828.80
  6. Step 6: Final answer
    x = 749,639.40

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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.