Home / 477,518.24-716,030.86-140,515.09

Finding the Fourth Proportional to 477,518.24, 716,030.86 and 140,515.09

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Solution

The fourth proportional to 477,518.24, 716,030.86 and 140,515.09 is: 210,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,518.24 : 716,030.86 = 140,515.09 : x
  2. Step 2: Convert to fraction form
    477,518.24/716,030.86 = 140,515.09/x
  3. Step 3: Cross multiply
    477,518.24x = 716,030.86 × 140,515.09
  4. Step 4: Simplify right side
    477,518.24x = 100,613,142,273.73
  5. Step 5: Solve for x
    x = 100,613,142,273.73/477,518.24
  6. Step 6: Final answer
    x = 210,700.10

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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.