Home / 709,722.40-1,064,680.80-236,358.40

Finding the Fourth Proportional to 709,722.40, 1,064,680.80 and 236,358.40

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Solution

The fourth proportional to 709,722.40, 1,064,680.80 and 236,358.40 is: 354,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,722.40 : 1,064,680.80 = 236,358.40 : x
  2. Step 2: Convert to fraction form
    709,722.40/1,064,680.80 = 236,358.40/x
  3. Step 3: Cross multiply
    709,722.40x = 1,064,680.80 × 236,358.40
  4. Step 4: Simplify right side
    709,722.40x = 251,646,250,398.72
  5. Step 5: Solve for x
    x = 251,646,250,398.72/709,722.40
  6. Step 6: Final answer
    x = 354,569.97

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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.