Home / 811,801.02-1,119,545.14-697,043.66

Finding the Fourth Proportional to 811,801.02, 1,119,545.14 and 697,043.66

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Solution

The fourth proportional to 811,801.02, 1,119,545.14 and 697,043.66 is: 961,284.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,801.02 : 1,119,545.14 = 697,043.66 : x
  2. Step 2: Convert to fraction form
    811,801.02/1,119,545.14 = 697,043.66/x
  3. Step 3: Cross multiply
    811,801.02x = 1,119,545.14 × 697,043.66
  4. Step 4: Simplify right side
    811,801.02x = 780,371,841,920.81
  5. Step 5: Solve for x
    x = 780,371,841,920.81/811,801.02
  6. Step 6: Final answer
    x = 961,284.63

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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.