Home / 1,283,862.80-1,771,829.64-710,955.92

Finding the Fourth Proportional to 1,283,862.80, 1,771,829.64 and 710,955.92

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Solution

The fourth proportional to 1,283,862.80, 1,771,829.64 and 710,955.92 is: 981,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,862.80 : 1,771,829.64 = 710,955.92 : x
  2. Step 2: Convert to fraction form
    1,283,862.80/1,771,829.64 = 710,955.92/x
  3. Step 3: Cross multiply
    1,283,862.80x = 1,771,829.64 × 710,955.92
  4. Step 4: Simplify right side
    1,283,862.80x = 1,259,692,771,789.47
  5. Step 5: Solve for x
    x = 1,259,692,771,789.47/1,283,862.80
  6. Step 6: Final answer
    x = 981,173.98

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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.