Home / 788,662.20-1,182,993.30-536,719.80

Finding the Fourth Proportional to 788,662.20, 1,182,993.30 and 536,719.80

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Solution

The fourth proportional to 788,662.20, 1,182,993.30 and 536,719.80 is: 805,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,662.20 : 1,182,993.30 = 536,719.80 : x
  2. Step 2: Convert to fraction form
    788,662.20/1,182,993.30 = 536,719.80/x
  3. Step 3: Cross multiply
    788,662.20x = 1,182,993.30 × 536,719.80
  4. Step 4: Simplify right side
    788,662.20x = 634,935,927,377.34
  5. Step 5: Solve for x
    x = 634,935,927,377.34/788,662.20
  6. Step 6: Final answer
    x = 805,079.70

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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.