Home / 1,097,897.69-1,514,918.04-689,710.46

Finding the Fourth Proportional to 1,097,897.69, 1,514,918.04 and 689,710.46

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Solution

The fourth proportional to 1,097,897.69, 1,514,918.04 and 689,710.46 is: 951,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,897.69 : 1,514,918.04 = 689,710.46 : x
  2. Step 2: Convert to fraction form
    1,097,897.69/1,514,918.04 = 689,710.46/x
  3. Step 3: Cross multiply
    1,097,897.69x = 1,514,918.04 × 689,710.46
  4. Step 4: Simplify right side
    1,097,897.69x = 1,044,854,818,230.70
  5. Step 5: Solve for x
    x = 1,044,854,818,230.70/1,097,897.69
  6. Step 6: Final answer
    x = 951,686.87

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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.