Home / 1,238,207.64-1,709,089.38-808,554.48

Finding the Fourth Proportional to 1,238,207.64, 1,709,089.38 and 808,554.48

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Solution

The fourth proportional to 1,238,207.64, 1,709,089.38 and 808,554.48 is: 1,116,042.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,207.64 : 1,709,089.38 = 808,554.48 : x
  2. Step 2: Convert to fraction form
    1,238,207.64/1,709,089.38 = 808,554.48/x
  3. Step 3: Cross multiply
    1,238,207.64x = 1,709,089.38 × 808,554.48
  4. Step 4: Simplify right side
    1,238,207.64x = 1,381,891,874,919.42
  5. Step 5: Solve for x
    x = 1,381,891,874,919.42/1,238,207.64
  6. Step 6: Final answer
    x = 1,116,042.12

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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.