Home / 262,428.72-391,595.47-234,154.32

Finding the Fourth Proportional to 262,428.72, 391,595.47 and 234,154.32

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Solution

The fourth proportional to 262,428.72, 391,595.47 and 234,154.32 is: 349,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,428.72 : 391,595.47 = 234,154.32 : x
  2. Step 2: Convert to fraction form
    262,428.72/391,595.47 = 234,154.32/x
  3. Step 3: Cross multiply
    262,428.72x = 391,595.47 × 234,154.32
  4. Step 4: Simplify right side
    262,428.72x = 91,693,770,407.54
  5. Step 5: Solve for x
    x = 91,693,770,407.54/262,428.72
  6. Step 6: Final answer
    x = 349,404.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.