Home / 847,119.52-1,169,130.27-484,493.05

Finding the Fourth Proportional to 847,119.52, 1,169,130.27 and 484,493.05

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Solution

The fourth proportional to 847,119.52, 1,169,130.27 and 484,493.05 is: 668,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,119.52 : 1,169,130.27 = 484,493.05 : x
  2. Step 2: Convert to fraction form
    847,119.52/1,169,130.27 = 484,493.05/x
  3. Step 3: Cross multiply
    847,119.52x = 1,169,130.27 × 484,493.05
  4. Step 4: Simplify right side
    847,119.52x = 566,435,490,359.62
  5. Step 5: Solve for x
    x = 566,435,490,359.62/847,119.52
  6. Step 6: Final answer
    x = 668,660.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.