Home / 717,712.13-1,076,532.44-268,400.00

Finding the Fourth Proportional to 717,712.13, 1,076,532.44 and 268,400.00

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Solution

The fourth proportional to 717,712.13, 1,076,532.44 and 268,400.00 is: 402,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,712.13 : 1,076,532.44 = 268,400.00 : x
  2. Step 2: Convert to fraction form
    717,712.13/1,076,532.44 = 268,400.00/x
  3. Step 3: Cross multiply
    717,712.13x = 1,076,532.44 × 268,400.00
  4. Step 4: Simplify right side
    717,712.13x = 288,941,300,171.34
  5. Step 5: Solve for x
    x = 288,941,300,171.34/717,712.13
  6. Step 6: Final answer
    x = 402,586.62

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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.