Home / 717,563.71-1,076,318.59-177,821.55

Finding the Fourth Proportional to 717,563.71, 1,076,318.59 and 177,821.55

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Solution

The fourth proportional to 717,563.71, 1,076,318.59 and 177,821.55 is: 266,725.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,563.71 : 1,076,318.59 = 177,821.55 : x
  2. Step 2: Convert to fraction form
    717,563.71/1,076,318.59 = 177,821.55/x
  3. Step 3: Cross multiply
    717,563.71x = 1,076,318.59 × 177,821.55
  4. Step 4: Simplify right side
    717,563.71x = 191,392,643,852.61
  5. Step 5: Solve for x
    x = 191,392,643,852.61/717,563.71
  6. Step 6: Final answer
    x = 266,725.64

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1.5x scale

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.