Home / 1,177,844.80-1,625,303.76-661,656.64

Finding the Fourth Proportional to 1,177,844.80, 1,625,303.76 and 661,656.64

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Solution

The fourth proportional to 1,177,844.80, 1,625,303.76 and 661,656.64 is: 913,017.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,844.80 : 1,625,303.76 = 661,656.64 : x
  2. Step 2: Convert to fraction form
    1,177,844.80/1,625,303.76 = 661,656.64/x
  3. Step 3: Cross multiply
    1,177,844.80x = 1,625,303.76 × 661,656.64
  4. Step 4: Simplify right side
    1,177,844.80x = 1,075,393,024,820.97
  5. Step 5: Solve for x
    x = 1,075,393,024,820.97/1,177,844.80
  6. Step 6: Final answer
    x = 913,017.59

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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.