Home / 1,561,587.93-2,154,997.08-908,370.69

Finding the Fourth Proportional to 1,561,587.93, 2,154,997.08 and 908,370.69

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Solution

The fourth proportional to 1,561,587.93, 2,154,997.08 and 908,370.69 is: 1,253,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,587.93 : 2,154,997.08 = 908,370.69 : x
  2. Step 2: Convert to fraction form
    1,561,587.93/2,154,997.08 = 908,370.69/x
  3. Step 3: Cross multiply
    1,561,587.93x = 2,154,997.08 × 908,370.69
  4. Step 4: Simplify right side
    1,561,587.93x = 1,957,536,184,507.59
  5. Step 5: Solve for x
    x = 1,957,536,184,507.59/1,561,587.93
  6. Step 6: Final answer
    x = 1,253,554.89

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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.