Home / 1,137,766.29-1,570,052.40-679,398.09

Finding the Fourth Proportional to 1,137,766.29, 1,570,052.40 and 679,398.09

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Solution

The fourth proportional to 1,137,766.29, 1,570,052.40 and 679,398.09 is: 937,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,766.29 : 1,570,052.40 = 679,398.09 : x
  2. Step 2: Convert to fraction form
    1,137,766.29/1,570,052.40 = 679,398.09/x
  3. Step 3: Cross multiply
    1,137,766.29x = 1,570,052.40 × 679,398.09
  4. Step 4: Simplify right side
    1,137,766.29x = 1,066,690,601,759.92
  5. Step 5: Solve for x
    x = 1,066,690,601,759.92/1,137,766.29
  6. Step 6: Final answer
    x = 937,530.50

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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.