Home / 1,252,809.46-1,728,877.04-679,849.64

Finding the Fourth Proportional to 1,252,809.46, 1,728,877.04 and 679,849.64

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Solution

The fourth proportional to 1,252,809.46, 1,728,877.04 and 679,849.64 is: 938,192.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,809.46 : 1,728,877.04 = 679,849.64 : x
  2. Step 2: Convert to fraction form
    1,252,809.46/1,728,877.04 = 679,849.64/x
  3. Step 3: Cross multiply
    1,252,809.46x = 1,728,877.04 × 679,849.64
  4. Step 4: Simplify right side
    1,252,809.46x = 1,175,376,433,248.27
  5. Step 5: Solve for x
    x = 1,175,376,433,248.27/1,252,809.46
  6. Step 6: Final answer
    x = 938,192.50

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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.