Home / 838,769.10-1,256,909.48-616,064.46

Finding the Fourth Proportional to 838,769.10, 1,256,909.48 and 616,064.46

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Solution

The fourth proportional to 838,769.10, 1,256,909.48 and 616,064.46 is: 923,182.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,769.10 : 1,256,909.48 = 616,064.46 : x
  2. Step 2: Convert to fraction form
    838,769.10/1,256,909.48 = 616,064.46/x
  3. Step 3: Cross multiply
    838,769.10x = 1,256,909.48 × 616,064.46
  4. Step 4: Simplify right side
    838,769.10x = 774,337,260,065.08
  5. Step 5: Solve for x
    x = 774,337,260,065.08/838,769.10
  6. Step 6: Final answer
    x = 923,182.86

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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.