Home / 644,114.59-888,918.38-372,232.29

Finding the Fourth Proportional to 644,114.59, 888,918.38 and 372,232.29

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Solution

The fourth proportional to 644,114.59, 888,918.38 and 372,232.29 is: 513,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,114.59 : 888,918.38 = 372,232.29 : x
  2. Step 2: Convert to fraction form
    644,114.59/888,918.38 = 372,232.29/x
  3. Step 3: Cross multiply
    644,114.59x = 888,918.38 × 372,232.29
  4. Step 4: Simplify right side
    644,114.59x = 330,884,124,210.49
  5. Step 5: Solve for x
    x = 330,884,124,210.49/644,114.59
  6. Step 6: Final answer
    x = 513,703.82

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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.