Home / 782,581.80-1,173,872.70-605,216.10

Finding the Fourth Proportional to 782,581.80, 1,173,872.70 and 605,216.10

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Solution

The fourth proportional to 782,581.80, 1,173,872.70 and 605,216.10 is: 907,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,581.80 : 1,173,872.70 = 605,216.10 : x
  2. Step 2: Convert to fraction form
    782,581.80/1,173,872.70 = 605,216.10/x
  3. Step 3: Cross multiply
    782,581.80x = 1,173,872.70 × 605,216.10
  4. Step 4: Simplify right side
    782,581.80x = 710,446,657,390.47
  5. Step 5: Solve for x
    x = 710,446,657,390.47/782,581.80
  6. Step 6: Final answer
    x = 907,824.15

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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.