Home / 1,283,930-1,771,801.60-710,957.88

Finding the Fourth Proportional to 1,283,930, 1,771,801.60 and 710,957.88

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Solution

The fourth proportional to 1,283,930, 1,771,801.60 and 710,957.88 is: 981,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,930 : 1,771,801.60 = 710,957.88 : x
  2. Step 2: Convert to fraction form
    1,283,930/1,771,801.60 = 710,957.88/x
  3. Step 3: Cross multiply
    1,283,930x = 1,771,801.60 × 710,957.88
  4. Step 4: Simplify right side
    1,283,930x = 1,259,676,309,316.61
  5. Step 5: Solve for x
    x = 1,259,676,309,316.61/1,283,930
  6. Step 6: Final answer
    x = 981,109.80

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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.