Home / 452,189.12-619,871.68-448,007.36

Finding the Fourth Proportional to 452,189.12, 619,871.68 and 448,007.36

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Solution

The fourth proportional to 452,189.12, 619,871.68 and 448,007.36 is: 614,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,189.12 : 619,871.68 = 448,007.36 : x
  2. Step 2: Convert to fraction form
    452,189.12/619,871.68 = 448,007.36/x
  3. Step 3: Cross multiply
    452,189.12x = 619,871.68 × 448,007.36
  4. Step 4: Simplify right side
    452,189.12x = 277,707,074,895.57
  5. Step 5: Solve for x
    x = 277,707,074,895.57/452,189.12
  6. Step 6: Final answer
    x = 614,139.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.