Home / 847,641.45-1,169,766.86-465,677.85

Finding the Fourth Proportional to 847,641.45, 1,169,766.86 and 465,677.85

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Solution

The fourth proportional to 847,641.45, 1,169,766.86 and 465,677.85 is: 642,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,641.45 : 1,169,766.86 = 465,677.85 : x
  2. Step 2: Convert to fraction form
    847,641.45/1,169,766.86 = 465,677.85/x
  3. Step 3: Cross multiply
    847,641.45x = 1,169,766.86 × 465,677.85
  4. Step 4: Simplify right side
    847,641.45x = 544,734,514,037.66
  5. Step 5: Solve for x
    x = 544,734,514,037.66/847,641.45
  6. Step 6: Final answer
    x = 642,647.33

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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.