Home / 941,308.80-1,298,349.12-618,915.84

Finding the Fourth Proportional to 941,308.80, 1,298,349.12 and 618,915.84

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Solution

The fourth proportional to 941,308.80, 1,298,349.12 and 618,915.84 is: 853,671.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,308.80 : 1,298,349.12 = 618,915.84 : x
  2. Step 2: Convert to fraction form
    941,308.80/1,298,349.12 = 618,915.84/x
  3. Step 3: Cross multiply
    941,308.80x = 1,298,349.12 × 618,915.84
  4. Step 4: Simplify right side
    941,308.80x = 803,568,836,218.06
  5. Step 5: Solve for x
    x = 803,568,836,218.06/941,308.80
  6. Step 6: Final answer
    x = 853,671.86

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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.