Home / 661,823.96-913,516.73-572,143.29

Finding the Fourth Proportional to 661,823.96, 913,516.73 and 572,143.29

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Solution

The fourth proportional to 661,823.96, 913,516.73 and 572,143.29 is: 789,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,823.96 : 913,516.73 = 572,143.29 : x
  2. Step 2: Convert to fraction form
    661,823.96/913,516.73 = 572,143.29/x
  3. Step 3: Cross multiply
    661,823.96x = 913,516.73 × 572,143.29
  4. Step 4: Simplify right side
    661,823.96x = 522,662,467,372.24
  5. Step 5: Solve for x
    x = 522,662,467,372.24/661,823.96
  6. Step 6: Final answer
    x = 789,730.35

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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.