Home / 1,283,719.39-1,771,588.10-710,759.54

Finding the Fourth Proportional to 1,283,719.39, 1,771,588.10 and 710,759.54

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Solution

The fourth proportional to 1,283,719.39, 1,771,588.10 and 710,759.54 is: 980,878.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,719.39 : 1,771,588.10 = 710,759.54 : x
  2. Step 2: Convert to fraction form
    1,283,719.39/1,771,588.10 = 710,759.54/x
  3. Step 3: Cross multiply
    1,283,719.39x = 1,771,588.10 × 710,759.54
  4. Step 4: Simplify right side
    1,283,719.39x = 1,259,173,149,231.34
  5. Step 5: Solve for x
    x = 1,259,173,149,231.34/1,283,719.39
  6. Step 6: Final answer
    x = 980,878.81

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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.