Home / 477,986.41-716,732.61-140,984.16

Finding the Fourth Proportional to 477,986.41, 716,732.61 and 140,984.16

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Solution

The fourth proportional to 477,986.41, 716,732.61 and 140,984.16 is: 211,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,986.41 : 716,732.61 = 140,984.16 : x
  2. Step 2: Convert to fraction form
    477,986.41/716,732.61 = 140,984.16/x
  3. Step 3: Cross multiply
    477,986.41x = 716,732.61 × 140,984.16
  4. Step 4: Simplify right side
    477,986.41x = 101,047,944,965.46
  5. Step 5: Solve for x
    x = 101,047,944,965.46/477,986.41
  6. Step 6: Final answer
    x = 211,403.38

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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.