Home / 790,530.93-1,090,932.45-427,954.52

Finding the Fourth Proportional to 790,530.93, 1,090,932.45 and 427,954.52

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Solution

The fourth proportional to 790,530.93, 1,090,932.45 and 427,954.52 is: 590,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,530.93 : 1,090,932.45 = 427,954.52 : x
  2. Step 2: Convert to fraction form
    790,530.93/1,090,932.45 = 427,954.52/x
  3. Step 3: Cross multiply
    790,530.93x = 1,090,932.45 × 427,954.52
  4. Step 4: Simplify right side
    790,530.93x = 466,869,472,992.17
  5. Step 5: Solve for x
    x = 466,869,472,992.17/790,530.93
  6. Step 6: Final answer
    x = 590,577.11

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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.