Home / 740,709.38-1,110,983.28-502,354.40

Finding the Fourth Proportional to 740,709.38, 1,110,983.28 and 502,354.40

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Solution

The fourth proportional to 740,709.38, 1,110,983.28 and 502,354.40 is: 753,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,709.38 : 1,110,983.28 = 502,354.40 : x
  2. Step 2: Convert to fraction form
    740,709.38/1,110,983.28 = 502,354.40/x
  3. Step 3: Cross multiply
    740,709.38x = 1,110,983.28 × 502,354.40
  4. Step 4: Simplify right side
    740,709.38x = 558,107,333,479.52
  5. Step 5: Solve for x
    x = 558,107,333,479.52/740,709.38
  6. Step 6: Final answer
    x = 753,476.81

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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.