Home / 991,903.87-1,368,976.89-604,943.90

Finding the Fourth Proportional to 991,903.87, 1,368,976.89 and 604,943.90

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Solution

The fourth proportional to 991,903.87, 1,368,976.89 and 604,943.90 is: 834,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,903.87 : 1,368,976.89 = 604,943.90 : x
  2. Step 2: Convert to fraction form
    991,903.87/1,368,976.89 = 604,943.90/x
  3. Step 3: Cross multiply
    991,903.87x = 1,368,976.89 × 604,943.90
  4. Step 4: Simplify right side
    991,903.87x = 828,154,218,846.47
  5. Step 5: Solve for x
    x = 828,154,218,846.47/991,903.87
  6. Step 6: Final answer
    x = 834,913.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.