Home / 1,283,920.39-1,771,788.33-710,948.26

Finding the Fourth Proportional to 1,283,920.39, 1,771,788.33 and 710,948.26

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Solution

The fourth proportional to 1,283,920.39, 1,771,788.33 and 710,948.26 is: 981,096.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,920.39 : 1,771,788.33 = 710,948.26 : x
  2. Step 2: Convert to fraction form
    1,283,920.39/1,771,788.33 = 710,948.26/x
  3. Step 3: Cross multiply
    1,283,920.39x = 1,771,788.33 × 710,948.26
  4. Step 4: Simplify right side
    1,283,920.39x = 1,259,649,830,301.81
  5. Step 5: Solve for x
    x = 1,259,649,830,301.81/1,283,920.39
  6. Step 6: Final answer
    x = 981,096.52

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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.