Home / 1,689,356.85-2,534,014.13-409,974.92

Finding the Fourth Proportional to 1,689,356.85, 2,534,014.13 and 409,974.92

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Solution

The fourth proportional to 1,689,356.85, 2,534,014.13 and 409,974.92 is: 614,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,356.85 : 2,534,014.13 = 409,974.92 : x
  2. Step 2: Convert to fraction form
    1,689,356.85/2,534,014.13 = 409,974.92/x
  3. Step 3: Cross multiply
    1,689,356.85x = 2,534,014.13 × 409,974.92
  4. Step 4: Simplify right side
    1,689,356.85x = 1,038,882,240,225.62
  5. Step 5: Solve for x
    x = 1,038,882,240,225.62/1,689,356.85
  6. Step 6: Final answer
    x = 614,957.25

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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.