Home / 1,177,774.80-1,625,207.16-661,586.64

Finding the Fourth Proportional to 1,177,774.80, 1,625,207.16 and 661,586.64

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Solution

The fourth proportional to 1,177,774.80, 1,625,207.16 and 661,586.64 is: 912,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,774.80 : 1,625,207.16 = 661,586.64 : x
  2. Step 2: Convert to fraction form
    1,177,774.80/1,625,207.16 = 661,586.64/x
  3. Step 3: Cross multiply
    1,177,774.80x = 1,625,207.16 × 661,586.64
  4. Step 4: Simplify right side
    1,177,774.80x = 1,075,215,344,288.34
  5. Step 5: Solve for x
    x = 1,075,215,344,288.34/1,177,774.80
  6. Step 6: Final answer
    x = 912,921.00

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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.