Home / 1,128,226.95-1,556,943.97-611,979.55

Finding the Fourth Proportional to 1,128,226.95, 1,556,943.97 and 611,979.55

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Solution

The fourth proportional to 1,128,226.95, 1,556,943.97 and 611,979.55 is: 844,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,226.95 : 1,556,943.97 = 611,979.55 : x
  2. Step 2: Convert to fraction form
    1,128,226.95/1,556,943.97 = 611,979.55/x
  3. Step 3: Cross multiply
    1,128,226.95x = 1,556,943.97 × 611,979.55
  4. Step 4: Simplify right side
    1,128,226.95x = 952,817,867,582.16
  5. Step 5: Solve for x
    x = 952,817,867,582.16/1,128,226.95
  6. Step 6: Final answer
    x = 844,526.78

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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.