Home / 615,335.38-849,205.41-343,456.18

Finding the Fourth Proportional to 615,335.38, 849,205.41 and 343,456.18

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Solution

The fourth proportional to 615,335.38, 849,205.41 and 343,456.18 is: 473,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,335.38 : 849,205.41 = 343,456.18 : x
  2. Step 2: Convert to fraction form
    615,335.38/849,205.41 = 343,456.18/x
  3. Step 3: Cross multiply
    615,335.38x = 849,205.41 × 343,456.18
  4. Step 4: Simplify right side
    615,335.38x = 291,664,846,153.93
  5. Step 5: Solve for x
    x = 291,664,846,153.93/615,335.38
  6. Step 6: Final answer
    x = 473,993.30

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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.