Home / 716,666.60-1,074,999.90-639,252.20

Finding the Fourth Proportional to 716,666.60, 1,074,999.90 and 639,252.20

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Solution

The fourth proportional to 716,666.60, 1,074,999.90 and 639,252.20 is: 958,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,666.60 : 1,074,999.90 = 639,252.20 : x
  2. Step 2: Convert to fraction form
    716,666.60/1,074,999.90 = 639,252.20/x
  3. Step 3: Cross multiply
    716,666.60x = 1,074,999.90 × 639,252.20
  4. Step 4: Simplify right side
    716,666.60x = 687,196,051,074.78
  5. Step 5: Solve for x
    x = 687,196,051,074.78/716,666.60
  6. Step 6: Final answer
    x = 958,878.30

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Similar ratio
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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.