Home / 717,419.52-1,076,184.86-290,752.22

Finding the Fourth Proportional to 717,419.52, 1,076,184.86 and 290,752.22

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Solution

The fourth proportional to 717,419.52, 1,076,184.86 and 290,752.22 is: 436,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,419.52 : 1,076,184.86 = 290,752.22 : x
  2. Step 2: Convert to fraction form
    717,419.52/1,076,184.86 = 290,752.22/x
  3. Step 3: Cross multiply
    717,419.52x = 1,076,184.86 × 290,752.22
  4. Step 4: Simplify right side
    717,419.52x = 312,903,130,340.70
  5. Step 5: Solve for x
    x = 312,903,130,340.70/717,419.52
  6. Step 6: Final answer
    x = 436,150.85

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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.