Home / 847,640.95-1,169,766.17-465,677.35

Finding the Fourth Proportional to 847,640.95, 1,169,766.17 and 465,677.35

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Solution

The fourth proportional to 847,640.95, 1,169,766.17 and 465,677.35 is: 642,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,640.95 : 1,169,766.17 = 465,677.35 : x
  2. Step 2: Convert to fraction form
    847,640.95/1,169,766.17 = 465,677.35/x
  3. Step 3: Cross multiply
    847,640.95x = 1,169,766.17 × 465,677.35
  4. Step 4: Simplify right side
    847,640.95x = 544,733,607,836.86
  5. Step 5: Solve for x
    x = 544,733,607,836.86/847,640.95
  6. Step 6: Final answer
    x = 642,646.64

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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.