Home / 847,108.77-1,169,010.11-465,135.55

Finding the Fourth Proportional to 847,108.77, 1,169,010.11 and 465,135.55

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Solution

The fourth proportional to 847,108.77, 1,169,010.11 and 465,135.55 is: 641,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,108.77 : 1,169,010.11 = 465,135.55 : x
  2. Step 2: Convert to fraction form
    847,108.77/1,169,010.11 = 465,135.55/x
  3. Step 3: Cross multiply
    847,108.77x = 1,169,010.11 × 465,135.55
  4. Step 4: Simplify right side
    847,108.77x = 543,748,160,470.41
  5. Step 5: Solve for x
    x = 543,748,160,470.41/847,108.77
  6. Step 6: Final answer
    x = 641,887.06

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1.5x scale

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.