Home / 487,460.35-672,682.74-269,677.22

Finding the Fourth Proportional to 487,460.35, 672,682.74 and 269,677.22

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Solution

The fourth proportional to 487,460.35, 672,682.74 and 269,677.22 is: 372,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,460.35 : 672,682.74 = 269,677.22 : x
  2. Step 2: Convert to fraction form
    487,460.35/672,682.74 = 269,677.22/x
  3. Step 3: Cross multiply
    487,460.35x = 672,682.74 × 269,677.22
  4. Step 4: Simplify right side
    487,460.35x = 181,407,207,901.77
  5. Step 5: Solve for x
    x = 181,407,207,901.77/487,460.35
  6. Step 6: Final answer
    x = 372,147.62

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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.