Home / 1,466,145.78-2,023,365.06-821,774.18

Finding the Fourth Proportional to 1,466,145.78, 2,023,365.06 and 821,774.18

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Solution

The fourth proportional to 1,466,145.78, 2,023,365.06 and 821,774.18 is: 1,134,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466,145.78 : 2,023,365.06 = 821,774.18 : x
  2. Step 2: Convert to fraction form
    1,466,145.78/2,023,365.06 = 821,774.18/x
  3. Step 3: Cross multiply
    1,466,145.78x = 2,023,365.06 × 821,774.18
  4. Step 4: Simplify right side
    1,466,145.78x = 1,662,749,152,905.33
  5. Step 5: Solve for x
    x = 1,662,749,152,905.33/1,466,145.78
  6. Step 6: Final answer
    x = 1,134,095.38

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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.