Home / 847,108.33-1,169,009.50-465,135.11

Finding the Fourth Proportional to 847,108.33, 1,169,009.50 and 465,135.11

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Solution

The fourth proportional to 847,108.33, 1,169,009.50 and 465,135.11 is: 641,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,108.33 : 1,169,009.50 = 465,135.11 : x
  2. Step 2: Convert to fraction form
    847,108.33/1,169,009.50 = 465,135.11/x
  3. Step 3: Cross multiply
    847,108.33x = 1,169,009.50 × 465,135.11
  4. Step 4: Simplify right side
    847,108.33x = 543,747,362,373.55
  5. Step 5: Solve for x
    x = 543,747,362,373.55/847,108.33
  6. Step 6: Final answer
    x = 641,886.45

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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.