Home / 723,117.56-1,084,682.82-190,714.28

Finding the Fourth Proportional to 723,117.56, 1,084,682.82 and 190,714.28

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Solution

The fourth proportional to 723,117.56, 1,084,682.82 and 190,714.28 is: 286,073.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,117.56 : 1,084,682.82 = 190,714.28 : x
  2. Step 2: Convert to fraction form
    723,117.56/1,084,682.82 = 190,714.28/x
  3. Step 3: Cross multiply
    723,117.56x = 1,084,682.82 × 190,714.28
  4. Step 4: Simplify right side
    723,117.56x = 206,864,503,044.67
  5. Step 5: Solve for x
    x = 206,864,503,044.67/723,117.56
  6. Step 6: Final answer
    x = 286,073.13

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Similar ratio
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1.5x scale

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.