Home / 807,936.06-1,211,531.61-239,113.76

Finding the Fourth Proportional to 807,936.06, 1,211,531.61 and 239,113.76

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Solution

The fourth proportional to 807,936.06, 1,211,531.61 and 239,113.76 is: 358,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,936.06 : 1,211,531.61 = 239,113.76 : x
  2. Step 2: Convert to fraction form
    807,936.06/1,211,531.61 = 239,113.76/x
  3. Step 3: Cross multiply
    807,936.06x = 1,211,531.61 × 239,113.76
  4. Step 4: Simplify right side
    807,936.06x = 289,693,878,625.95
  5. Step 5: Solve for x
    x = 289,693,878,625.95/807,936.06
  6. Step 6: Final answer
    x = 358,560.40

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1.5x scale

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.