Home / 717,812.40-1,076,329.80-296,612.40

Finding the Fourth Proportional to 717,812.40, 1,076,329.80 and 296,612.40

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Solution

The fourth proportional to 717,812.40, 1,076,329.80 and 296,612.40 is: 444,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,812.40 : 1,076,329.80 = 296,612.40 : x
  2. Step 2: Convert to fraction form
    717,812.40/1,076,329.80 = 296,612.40/x
  3. Step 3: Cross multiply
    717,812.40x = 1,076,329.80 × 296,612.40
  4. Step 4: Simplify right side
    717,812.40x = 319,252,765,169.52
  5. Step 5: Solve for x
    x = 319,252,765,169.52/717,812.40
  6. Step 6: Final answer
    x = 444,757.94

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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.