Home / 938,833.10-1,295,590.02-509,113.11

Finding the Fourth Proportional to 938,833.10, 1,295,590.02 and 509,113.11

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Solution

The fourth proportional to 938,833.10, 1,295,590.02 and 509,113.11 is: 702,576.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,833.10 : 1,295,590.02 = 509,113.11 : x
  2. Step 2: Convert to fraction form
    938,833.10/1,295,590.02 = 509,113.11/x
  3. Step 3: Cross multiply
    938,833.10x = 1,295,590.02 × 509,113.11
  4. Step 4: Simplify right side
    938,833.10x = 659,601,864,367.16
  5. Step 5: Solve for x
    x = 659,601,864,367.16/938,833.10
  6. Step 6: Final answer
    x = 702,576.28

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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.