Home / 1,906,657.32-2,859,985.05-486,712.95

Finding the Fourth Proportional to 1,906,657.32, 2,859,985.05 and 486,712.95

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Solution

The fourth proportional to 1,906,657.32, 2,859,985.05 and 486,712.95 is: 730,069.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,657.32 : 2,859,985.05 = 486,712.95 : x
  2. Step 2: Convert to fraction form
    1,906,657.32/2,859,985.05 = 486,712.95/x
  3. Step 3: Cross multiply
    1,906,657.32x = 2,859,985.05 × 486,712.95
  4. Step 4: Simplify right side
    1,906,657.32x = 1,391,991,760,641.40
  5. Step 5: Solve for x
    x = 1,391,991,760,641.40/1,906,657.32
  6. Step 6: Final answer
    x = 730,069.19

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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.