Home / 1,443,406.17-1,992,398.40-831,802.66

Finding the Fourth Proportional to 1,443,406.17, 1,992,398.40 and 831,802.66

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Solution

The fourth proportional to 1,443,406.17, 1,992,398.40 and 831,802.66 is: 1,148,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,406.17 : 1,992,398.40 = 831,802.66 : x
  2. Step 2: Convert to fraction form
    1,443,406.17/1,992,398.40 = 831,802.66/x
  3. Step 3: Cross multiply
    1,443,406.17x = 1,992,398.40 × 831,802.66
  4. Step 4: Simplify right side
    1,443,406.17x = 1,657,282,288,899.74
  5. Step 5: Solve for x
    x = 1,657,282,288,899.74/1,443,406.17
  6. Step 6: Final answer
    x = 1,148,174.59

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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.