Home / 1,177,959.38-1,625,406.86-661,614.35

Finding the Fourth Proportional to 1,177,959.38, 1,625,406.86 and 661,614.35

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Solution

The fourth proportional to 1,177,959.38, 1,625,406.86 and 661,614.35 is: 912,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,959.38 : 1,625,406.86 = 661,614.35 : x
  2. Step 2: Convert to fraction form
    1,177,959.38/1,625,406.86 = 661,614.35/x
  3. Step 3: Cross multiply
    1,177,959.38x = 1,625,406.86 × 661,614.35
  4. Step 4: Simplify right side
    1,177,959.38x = 1,075,392,508,881.99
  5. Step 5: Solve for x
    x = 1,075,392,508,881.99/1,177,959.38
  6. Step 6: Final answer
    x = 912,928.35

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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.