Home / 1,177,828.68-1,625,443.60-661,673.76

Finding the Fourth Proportional to 1,177,828.68, 1,625,443.60 and 661,673.76

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Solution

The fourth proportional to 1,177,828.68, 1,625,443.60 and 661,673.76 is: 913,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,828.68 : 1,625,443.60 = 661,673.76 : x
  2. Step 2: Convert to fraction form
    1,177,828.68/1,625,443.60 = 661,673.76/x
  3. Step 3: Cross multiply
    1,177,828.68x = 1,625,443.60 × 661,673.76
  4. Step 4: Simplify right side
    1,177,828.68x = 1,075,513,378,479.94
  5. Step 5: Solve for x
    x = 1,075,513,378,479.94/1,177,828.68
  6. Step 6: Final answer
    x = 913,132.27

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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.