Home / 1,099,513.30-1,649,269.95-657,145.30

Finding the Fourth Proportional to 1,099,513.30, 1,649,269.95 and 657,145.30

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Solution

The fourth proportional to 1,099,513.30, 1,649,269.95 and 657,145.30 is: 985,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,513.30 : 1,649,269.95 = 657,145.30 : x
  2. Step 2: Convert to fraction form
    1,099,513.30/1,649,269.95 = 657,145.30/x
  3. Step 3: Cross multiply
    1,099,513.30x = 1,649,269.95 × 657,145.30
  4. Step 4: Simplify right side
    1,099,513.30x = 1,083,809,996,073.74
  5. Step 5: Solve for x
    x = 1,083,809,996,073.74/1,099,513.30
  6. Step 6: Final answer
    x = 985,717.95

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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.