Home / 1,199,906-1,655,904.84-663,396.56

Finding the Fourth Proportional to 1,199,906, 1,655,904.84 and 663,396.56

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Solution

The fourth proportional to 1,199,906, 1,655,904.84 and 663,396.56 is: 915,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,906 : 1,655,904.84 = 663,396.56 : x
  2. Step 2: Convert to fraction form
    1,199,906/1,655,904.84 = 663,396.56/x
  3. Step 3: Cross multiply
    1,199,906x = 1,655,904.84 × 663,396.56
  4. Step 4: Simplify right side
    1,199,906x = 1,098,521,574,543.35
  5. Step 5: Solve for x
    x = 1,098,521,574,543.35/1,199,906
  6. Step 6: Final answer
    x = 915,506.36

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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.