Home / 1,108,936.61-1,530,041.70-649,804.68

Finding the Fourth Proportional to 1,108,936.61, 1,530,041.70 and 649,804.68

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Solution

The fourth proportional to 1,108,936.61, 1,530,041.70 and 649,804.68 is: 896,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,936.61 : 1,530,041.70 = 649,804.68 : x
  2. Step 2: Convert to fraction form
    1,108,936.61/1,530,041.70 = 649,804.68/x
  3. Step 3: Cross multiply
    1,108,936.61x = 1,530,041.70 × 649,804.68
  4. Step 4: Simplify right side
    1,108,936.61x = 994,228,259,691.92
  5. Step 5: Solve for x
    x = 994,228,259,691.92/1,108,936.61
  6. Step 6: Final answer
    x = 896,560.05

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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.