Home / 485,884.02-727,330.74-317,041.14

Finding the Fourth Proportional to 485,884.02, 727,330.74 and 317,041.14

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Solution

The fourth proportional to 485,884.02, 727,330.74 and 317,041.14 is: 474,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,884.02 : 727,330.74 = 317,041.14 : x
  2. Step 2: Convert to fraction form
    485,884.02/727,330.74 = 317,041.14/x
  3. Step 3: Cross multiply
    485,884.02x = 727,330.74 × 317,041.14
  4. Step 4: Simplify right side
    485,884.02x = 230,593,766,966.64
  5. Step 5: Solve for x
    x = 230,593,766,966.64/485,884.02
  6. Step 6: Final answer
    x = 474,586.03

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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.