Home / 1,177,855.56-1,625,480.12-654,588.20

Finding the Fourth Proportional to 1,177,855.56, 1,625,480.12 and 654,588.20

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Solution

The fourth proportional to 1,177,855.56, 1,625,480.12 and 654,588.20 is: 903,353.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,855.56 : 1,625,480.12 = 654,588.20 : x
  2. Step 2: Convert to fraction form
    1,177,855.56/1,625,480.12 = 654,588.20/x
  3. Step 3: Cross multiply
    1,177,855.56x = 1,625,480.12 × 654,588.20
  4. Step 4: Simplify right side
    1,177,855.56x = 1,064,020,111,586.75
  5. Step 5: Solve for x
    x = 1,064,020,111,586.75/1,177,855.56
  6. Step 6: Final answer
    x = 903,353.64

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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.