Home / 558,683.14-771,065.75-329,167.06

Finding the Fourth Proportional to 558,683.14, 771,065.75 and 329,167.06

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Solution

The fourth proportional to 558,683.14, 771,065.75 and 329,167.06 is: 454,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,683.14 : 771,065.75 = 329,167.06 : x
  2. Step 2: Convert to fraction form
    558,683.14/771,065.75 = 329,167.06/x
  3. Step 3: Cross multiply
    558,683.14x = 771,065.75 × 329,167.06
  4. Step 4: Simplify right side
    558,683.14x = 253,809,445,994.20
  5. Step 5: Solve for x
    x = 253,809,445,994.20/558,683.14
  6. Step 6: Final answer
    x = 454,299.45

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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.