Home / 1,177,771.80-1,625,203.02-661,583.64

Finding the Fourth Proportional to 1,177,771.80, 1,625,203.02 and 661,583.64

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Solution

The fourth proportional to 1,177,771.80, 1,625,203.02 and 661,583.64 is: 912,916.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,771.80 : 1,625,203.02 = 661,583.64 : x
  2. Step 2: Convert to fraction form
    1,177,771.80/1,625,203.02 = 661,583.64/x
  3. Step 3: Cross multiply
    1,177,771.80x = 1,625,203.02 × 661,583.64
  4. Step 4: Simplify right side
    1,177,771.80x = 1,075,207,729,710.59
  5. Step 5: Solve for x
    x = 1,075,207,729,710.59/1,177,771.80
  6. Step 6: Final answer
    x = 912,916.86

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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.