Home / 716,808.75-1,074,610.47-479,426.91

Finding the Fourth Proportional to 716,808.75, 1,074,610.47 and 479,426.91

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Solution

The fourth proportional to 716,808.75, 1,074,610.47 and 479,426.91 is: 718,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,808.75 : 1,074,610.47 = 479,426.91 : x
  2. Step 2: Convert to fraction form
    716,808.75/1,074,610.47 = 479,426.91/x
  3. Step 3: Cross multiply
    716,808.75x = 1,074,610.47 × 479,426.91
  4. Step 4: Simplify right side
    716,808.75x = 515,197,177,085.75
  5. Step 5: Solve for x
    x = 515,197,177,085.75/716,808.75
  6. Step 6: Final answer
    x = 718,737.29

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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.