Home / 1,177,634.90-1,625,175.43-661,479.82

Finding the Fourth Proportional to 1,177,634.90, 1,625,175.43 and 661,479.82

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Solution

The fourth proportional to 1,177,634.90, 1,625,175.43 and 661,479.82 is: 912,864.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,634.90 : 1,625,175.43 = 661,479.82 : x
  2. Step 2: Convert to fraction form
    1,177,634.90/1,625,175.43 = 661,479.82/x
  3. Step 3: Cross multiply
    1,177,634.90x = 1,625,175.43 × 661,479.82
  4. Step 4: Simplify right side
    1,177,634.90x = 1,075,020,745,188.18
  5. Step 5: Solve for x
    x = 1,075,020,745,188.18/1,177,634.90
  6. Step 6: Final answer
    x = 912,864.20

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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.