Home / 1,409,600.64-1,945,263.42-765,026.40

Finding the Fourth Proportional to 1,409,600.64, 1,945,263.42 and 765,026.40

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Solution

The fourth proportional to 1,409,600.64, 1,945,263.42 and 765,026.40 is: 1,055,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,600.64 : 1,945,263.42 = 765,026.40 : x
  2. Step 2: Convert to fraction form
    1,409,600.64/1,945,263.42 = 765,026.40/x
  3. Step 3: Cross multiply
    1,409,600.64x = 1,945,263.42 × 765,026.40
  4. Step 4: Simplify right side
    1,409,600.64x = 1,488,177,871,254.29
  5. Step 5: Solve for x
    x = 1,488,177,871,254.29/1,409,600.64
  6. Step 6: Final answer
    x = 1,055,744.32

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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.