Home / 1,569,393.84-2,165,689.70-871,719.89

Finding the Fourth Proportional to 1,569,393.84, 2,165,689.70 and 871,719.89

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Solution

The fourth proportional to 1,569,393.84, 2,165,689.70 and 871,719.89 is: 1,202,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,393.84 : 2,165,689.70 = 871,719.89 : x
  2. Step 2: Convert to fraction form
    1,569,393.84/2,165,689.70 = 871,719.89/x
  3. Step 3: Cross multiply
    1,569,393.84x = 2,165,689.70 × 871,719.89
  4. Step 4: Simplify right side
    1,569,393.84x = 1,887,874,771,871.09
  5. Step 5: Solve for x
    x = 1,887,874,771,871.09/1,569,393.84
  6. Step 6: Final answer
    x = 1,202,932.45

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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.