Home / 1,238,884.30-1,857,966.99-519,207.18

Finding the Fourth Proportional to 1,238,884.30, 1,857,966.99 and 519,207.18

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Solution

The fourth proportional to 1,238,884.30, 1,857,966.99 and 519,207.18 is: 778,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,884.30 : 1,857,966.99 = 519,207.18 : x
  2. Step 2: Convert to fraction form
    1,238,884.30/1,857,966.99 = 519,207.18/x
  3. Step 3: Cross multiply
    1,238,884.30x = 1,857,966.99 × 519,207.18
  4. Step 4: Simplify right side
    1,238,884.30x = 964,669,808,327.08
  5. Step 5: Solve for x
    x = 964,669,808,327.08/1,238,884.30
  6. Step 6: Final answer
    x = 778,660.13

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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.