Home / 1,177,780.44-1,625,376.96-661,625.40

Finding the Fourth Proportional to 1,177,780.44, 1,625,376.96 and 661,625.40

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Solution

The fourth proportional to 1,177,780.44, 1,625,376.96 and 661,625.40 is: 913,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,780.44 : 1,625,376.96 = 661,625.40 : x
  2. Step 2: Convert to fraction form
    1,177,780.44/1,625,376.96 = 661,625.40/x
  3. Step 3: Cross multiply
    1,177,780.44x = 1,625,376.96 × 661,625.40
  4. Step 4: Simplify right side
    1,177,780.44x = 1,075,390,681,310.78
  5. Step 5: Solve for x
    x = 1,075,390,681,310.78/1,177,780.44
  6. Step 6: Final answer
    x = 913,065.50

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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.