Home / 1,564,610.72-2,158,984.08-876,186.88

Finding the Fourth Proportional to 1,564,610.72, 2,158,984.08 and 876,186.88

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Solution

The fourth proportional to 1,564,610.72, 2,158,984.08 and 876,186.88 is: 1,209,037.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,610.72 : 2,158,984.08 = 876,186.88 : x
  2. Step 2: Convert to fraction form
    1,564,610.72/2,158,984.08 = 876,186.88/x
  3. Step 3: Cross multiply
    1,564,610.72x = 2,158,984.08 × 876,186.88
  4. Step 4: Simplify right side
    1,564,610.72x = 1,891,673,525,024.87
  5. Step 5: Solve for x
    x = 1,891,673,525,024.87/1,564,610.72
  6. Step 6: Final answer
    x = 1,209,037.81

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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.