Home / 865,852.80-1,194,103.20-543,592.92

Finding the Fourth Proportional to 865,852.80, 1,194,103.20 and 543,592.92

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Solution

The fourth proportional to 865,852.80, 1,194,103.20 and 543,592.92 is: 749,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,852.80 : 1,194,103.20 = 543,592.92 : x
  2. Step 2: Convert to fraction form
    865,852.80/1,194,103.20 = 543,592.92/x
  3. Step 3: Cross multiply
    865,852.80x = 1,194,103.20 × 543,592.92
  4. Step 4: Simplify right side
    865,852.80x = 649,106,045,269.34
  5. Step 5: Solve for x
    x = 649,106,045,269.34/865,852.80
  6. Step 6: Final answer
    x = 749,672.51

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Double scale
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1.5x scale

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.