Home / 1,298,356.20-1,944,035.10-941,437.80

Finding the Fourth Proportional to 1,298,356.20, 1,944,035.10 and 941,437.80

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Solution

The fourth proportional to 1,298,356.20, 1,944,035.10 and 941,437.80 is: 1,409,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,356.20 : 1,944,035.10 = 941,437.80 : x
  2. Step 2: Convert to fraction form
    1,298,356.20/1,944,035.10 = 941,437.80/x
  3. Step 3: Cross multiply
    1,298,356.20x = 1,944,035.10 × 941,437.80
  4. Step 4: Simplify right side
    1,298,356.20x = 1,830,188,127,666.78
  5. Step 5: Solve for x
    x = 1,830,188,127,666.78/1,298,356.20
  6. Step 6: Final answer
    x = 1,409,619.43

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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.