Home / 831,973.67-1,139,798.47-800,862.74

Finding the Fourth Proportional to 831,973.67, 1,139,798.47 and 800,862.74

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Solution

The fourth proportional to 831,973.67, 1,139,798.47 and 800,862.74 is: 1,097,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,973.67 : 1,139,798.47 = 800,862.74 : x
  2. Step 2: Convert to fraction form
    831,973.67/1,139,798.47 = 800,862.74/x
  3. Step 3: Cross multiply
    831,973.67x = 1,139,798.47 × 800,862.74
  4. Step 4: Simplify right side
    831,973.67x = 912,822,116,028.70
  5. Step 5: Solve for x
    x = 912,822,116,028.70/831,973.67
  6. Step 6: Final answer
    x = 1,097,176.69

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.