Home / 1,168,885-1,612,787.14-709,986.80

Finding the Fourth Proportional to 1,168,885, 1,612,787.14 and 709,986.80

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Solution

The fourth proportional to 1,168,885, 1,612,787.14 and 709,986.80 is: 979,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,885 : 1,612,787.14 = 709,986.80 : x
  2. Step 2: Convert to fraction form
    1,168,885/1,612,787.14 = 709,986.80/x
  3. Step 3: Cross multiply
    1,168,885x = 1,612,787.14 × 709,986.80
  4. Step 4: Simplify right side
    1,168,885x = 1,145,057,580,609.75
  5. Step 5: Solve for x
    x = 1,145,057,580,609.75/1,168,885
  6. Step 6: Final answer
    x = 979,615.26

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1.5x scale

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.