Home / 1,054,844.70-1,455,689.28-571,408.38

Finding the Fourth Proportional to 1,054,844.70, 1,455,689.28 and 571,408.38

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Solution

The fourth proportional to 1,054,844.70, 1,455,689.28 and 571,408.38 is: 788,545.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,844.70 : 1,455,689.28 = 571,408.38 : x
  2. Step 2: Convert to fraction form
    1,054,844.70/1,455,689.28 = 571,408.38/x
  3. Step 3: Cross multiply
    1,054,844.70x = 1,455,689.28 × 571,408.38
  4. Step 4: Simplify right side
    1,054,844.70x = 831,793,053,268.17
  5. Step 5: Solve for x
    x = 831,793,053,268.17/1,054,844.70
  6. Step 6: Final answer
    x = 788,545.51

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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.