Home / 558,678.08-771,058.76-329,162

Finding the Fourth Proportional to 558,678.08, 771,058.76 and 329,162

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Solution

The fourth proportional to 558,678.08, 771,058.76 and 329,162 is: 454,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,678.08 : 771,058.76 = 329,162 : x
  2. Step 2: Convert to fraction form
    558,678.08/771,058.76 = 329,162/x
  3. Step 3: Cross multiply
    558,678.08x = 771,058.76 × 329,162
  4. Step 4: Simplify right side
    558,678.08x = 253,803,243,559.12
  5. Step 5: Solve for x
    x = 253,803,243,559.12/558,678.08
  6. Step 6: Final answer
    x = 454,292.47

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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.