Home / 1,941,569.56-2,913,666.54-679,408.12

Finding the Fourth Proportional to 1,941,569.56, 2,913,666.54 and 679,408.12

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Solution

The fourth proportional to 1,941,569.56, 2,913,666.54 and 679,408.12 is: 1,019,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,569.56 : 2,913,666.54 = 679,408.12 : x
  2. Step 2: Convert to fraction form
    1,941,569.56/2,913,666.54 = 679,408.12/x
  3. Step 3: Cross multiply
    1,941,569.56x = 2,913,666.54 × 679,408.12
  4. Step 4: Simplify right side
    1,941,569.56x = 1,979,568,706,248.31
  5. Step 5: Solve for x
    x = 1,979,568,706,248.31/1,941,569.56
  6. Step 6: Final answer
    x = 1,019,571.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.