Home / 716,340.75-1,074,511.11-491,018.08

Finding the Fourth Proportional to 716,340.75, 1,074,511.11 and 491,018.08

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Solution

The fourth proportional to 716,340.75, 1,074,511.11 and 491,018.08 is: 736,527.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,340.75 : 1,074,511.11 = 491,018.08 : x
  2. Step 2: Convert to fraction form
    716,340.75/1,074,511.11 = 491,018.08/x
  3. Step 3: Cross multiply
    716,340.75x = 1,074,511.11 × 491,018.08
  4. Step 4: Simplify right side
    716,340.75x = 527,604,382,170.87
  5. Step 5: Solve for x
    x = 527,604,382,170.87/716,340.75
  6. Step 6: Final answer
    x = 736,527.11

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Half scale
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Double scale
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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.