Home / 1,220,766.35-1,684,677.69-676,925.06

Finding the Fourth Proportional to 1,220,766.35, 1,684,677.69 and 676,925.06

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Solution

The fourth proportional to 1,220,766.35, 1,684,677.69 and 676,925.06 is: 934,167.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,766.35 : 1,684,677.69 = 676,925.06 : x
  2. Step 2: Convert to fraction form
    1,220,766.35/1,684,677.69 = 676,925.06/x
  3. Step 3: Cross multiply
    1,220,766.35x = 1,684,677.69 × 676,925.06
  4. Step 4: Simplify right side
    1,220,766.35x = 1,140,400,537,960.52
  5. Step 5: Solve for x
    x = 1,140,400,537,960.52/1,220,766.35
  6. Step 6: Final answer
    x = 934,167.74

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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.