Home / 1,617,134.79-2,231,606.91-891,966.93

Finding the Fourth Proportional to 1,617,134.79, 2,231,606.91 and 891,966.93

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Solution

The fourth proportional to 1,617,134.79, 2,231,606.91 and 891,966.93 is: 1,230,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,134.79 : 2,231,606.91 = 891,966.93 : x
  2. Step 2: Convert to fraction form
    1,617,134.79/2,231,606.91 = 891,966.93/x
  3. Step 3: Cross multiply
    1,617,134.79x = 2,231,606.91 × 891,966.93
  4. Step 4: Simplify right side
    1,617,134.79x = 1,990,519,564,479.49
  5. Step 5: Solve for x
    x = 1,990,519,564,479.49/1,617,134.79
  6. Step 6: Final answer
    x = 1,230,892.80

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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.