Home / 1,202,159.34-1,658,979.84-658,328.38

Finding the Fourth Proportional to 1,202,159.34, 1,658,979.84 and 658,328.38

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Solution

The fourth proportional to 1,202,159.34, 1,658,979.84 and 658,328.38 is: 908,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,159.34 : 1,658,979.84 = 658,328.38 : x
  2. Step 2: Convert to fraction form
    1,202,159.34/1,658,979.84 = 658,328.38/x
  3. Step 3: Cross multiply
    1,202,159.34x = 1,658,979.84 × 658,328.38
  4. Step 4: Simplify right side
    1,202,159.34x = 1,092,153,510,519.86
  5. Step 5: Solve for x
    x = 1,092,153,510,519.86/1,202,159.34
  6. Step 6: Final answer
    x = 908,493.14

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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.