Home / 452,683.05-679,024.44-115,724.40

Finding the Fourth Proportional to 452,683.05, 679,024.44 and 115,724.40

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Solution

The fourth proportional to 452,683.05, 679,024.44 and 115,724.40 is: 173,586.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,683.05 : 679,024.44 = 115,724.40 : x
  2. Step 2: Convert to fraction form
    452,683.05/679,024.44 = 115,724.40/x
  3. Step 3: Cross multiply
    452,683.05x = 679,024.44 × 115,724.40
  4. Step 4: Simplify right side
    452,683.05x = 78,579,695,904.34
  5. Step 5: Solve for x
    x = 78,579,695,904.34/452,683.05
  6. Step 6: Final answer
    x = 173,586.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.