Home / 835,205.10-1,255,432.05-819,458.70

Finding the Fourth Proportional to 835,205.10, 1,255,432.05 and 819,458.70

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Solution

The fourth proportional to 835,205.10, 1,255,432.05 and 819,458.70 is: 1,231,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,205.10 : 1,255,432.05 = 819,458.70 : x
  2. Step 2: Convert to fraction form
    835,205.10/1,255,432.05 = 819,458.70/x
  3. Step 3: Cross multiply
    835,205.10x = 1,255,432.05 × 819,458.70
  4. Step 4: Simplify right side
    835,205.10x = 1,028,774,715,631.34
  5. Step 5: Solve for x
    x = 1,028,774,715,631.34/835,205.10
  6. Step 6: Final answer
    x = 1,231,762.97

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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.