Home / 910,788.67-1,256,361.48-588,498.79

Finding the Fourth Proportional to 910,788.67, 1,256,361.48 and 588,498.79

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Solution

The fourth proportional to 910,788.67, 1,256,361.48 and 588,498.79 is: 811,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,788.67 : 1,256,361.48 = 588,498.79 : x
  2. Step 2: Convert to fraction form
    910,788.67/1,256,361.48 = 588,498.79/x
  3. Step 3: Cross multiply
    910,788.67x = 1,256,361.48 × 588,498.79
  4. Step 4: Simplify right side
    910,788.67x = 739,367,210,782.61
  5. Step 5: Solve for x
    x = 739,367,210,782.61/910,788.67
  6. Step 6: Final answer
    x = 811,787.89

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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.