Home / 716,339.75-1,074,509.61-491,017.08

Finding the Fourth Proportional to 716,339.75, 1,074,509.61 and 491,017.08

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Solution

The fourth proportional to 716,339.75, 1,074,509.61 and 491,017.08 is: 736,525.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,339.75 : 1,074,509.61 = 491,017.08 : x
  2. Step 2: Convert to fraction form
    716,339.75/1,074,509.61 = 491,017.08/x
  3. Step 3: Cross multiply
    716,339.75x = 1,074,509.61 × 491,017.08
  4. Step 4: Simplify right side
    716,339.75x = 527,602,571,134.14
  5. Step 5: Solve for x
    x = 527,602,571,134.14/716,339.75
  6. Step 6: Final answer
    x = 736,525.61

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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.