Home / 1,317,665.80-1,976,595.90-476,108.20

Finding the Fourth Proportional to 1,317,665.80, 1,976,595.90 and 476,108.20

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Solution

The fourth proportional to 1,317,665.80, 1,976,595.90 and 476,108.20 is: 714,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,665.80 : 1,976,595.90 = 476,108.20 : x
  2. Step 2: Convert to fraction form
    1,317,665.80/1,976,595.90 = 476,108.20/x
  3. Step 3: Cross multiply
    1,317,665.80x = 1,976,595.90 × 476,108.20
  4. Step 4: Simplify right side
    1,317,665.80x = 941,073,516,076.38
  5. Step 5: Solve for x
    x = 941,073,516,076.38/1,317,665.80
  6. Step 6: Final answer
    x = 714,197.42

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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.