Home / 396,444.38-547,547.34-261,083.35

Finding the Fourth Proportional to 396,444.38, 547,547.34 and 261,083.35

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Solution

The fourth proportional to 396,444.38, 547,547.34 and 261,083.35 is: 360,594.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,444.38 : 547,547.34 = 261,083.35 : x
  2. Step 2: Convert to fraction form
    396,444.38/547,547.34 = 261,083.35/x
  3. Step 3: Cross multiply
    396,444.38x = 547,547.34 × 261,083.35
  4. Step 4: Simplify right side
    396,444.38x = 142,955,495,474.29
  5. Step 5: Solve for x
    x = 142,955,495,474.29/396,444.38
  6. Step 6: Final answer
    x = 360,594.08

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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.