Home / 558,678.10-771,058.80-329,162.02

Finding the Fourth Proportional to 558,678.10, 771,058.80 and 329,162.02

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Solution

The fourth proportional to 558,678.10, 771,058.80 and 329,162.02 is: 454,292.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,678.10 : 771,058.80 = 329,162.02 : x
  2. Step 2: Convert to fraction form
    558,678.10/771,058.80 = 329,162.02/x
  3. Step 3: Cross multiply
    558,678.10x = 771,058.80 × 329,162.02
  4. Step 4: Simplify right side
    558,678.10x = 253,803,272,146.78
  5. Step 5: Solve for x
    x = 253,803,272,146.78/558,678.10
  6. Step 6: Final answer
    x = 454,292.50

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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.