Home / 717,581.70-1,076,345.55-177,839.55

Finding the Fourth Proportional to 717,581.70, 1,076,345.55 and 177,839.55

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Solution

The fourth proportional to 717,581.70, 1,076,345.55 and 177,839.55 is: 266,752.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,581.70 : 1,076,345.55 = 177,839.55 : x
  2. Step 2: Convert to fraction form
    717,581.70/1,076,345.55 = 177,839.55/x
  3. Step 3: Cross multiply
    717,581.70x = 1,076,345.55 × 177,839.55
  4. Step 4: Simplify right side
    717,581.70x = 191,416,808,256.50
  5. Step 5: Solve for x
    x = 191,416,808,256.50/717,581.70
  6. Step 6: Final answer
    x = 266,752.63

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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.