Home / 754,169.49-1,041,089.40-448,344.90

Finding the Fourth Proportional to 754,169.49, 1,041,089.40 and 448,344.90

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Solution

The fourth proportional to 754,169.49, 1,041,089.40 and 448,344.90 is: 618,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,169.49 : 1,041,089.40 = 448,344.90 : x
  2. Step 2: Convert to fraction form
    754,169.49/1,041,089.40 = 448,344.90/x
  3. Step 3: Cross multiply
    754,169.49x = 1,041,089.40 × 448,344.90
  4. Step 4: Simplify right side
    754,169.49x = 466,767,122,934.06
  5. Step 5: Solve for x
    x = 466,767,122,934.06/754,169.49
  6. Step 6: Final answer
    x = 618,915.42

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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.