Home / 1,028,617.16-1,419,184.56-665,465.80

Finding the Fourth Proportional to 1,028,617.16, 1,419,184.56 and 665,465.80

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Solution

The fourth proportional to 1,028,617.16, 1,419,184.56 and 665,465.80 is: 918,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,617.16 : 1,419,184.56 = 665,465.80 : x
  2. Step 2: Convert to fraction form
    1,028,617.16/1,419,184.56 = 665,465.80/x
  3. Step 3: Cross multiply
    1,028,617.16x = 1,419,184.56 × 665,465.80
  4. Step 4: Simplify right side
    1,028,617.16x = 944,418,788,568.05
  5. Step 5: Solve for x
    x = 944,418,788,568.05/1,028,617.16
  6. Step 6: Final answer
    x = 918,144.11

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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.