Home / 1,409,705.56-1,945,395.59-765,125.84

Finding the Fourth Proportional to 1,409,705.56, 1,945,395.59 and 765,125.84

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Solution

The fourth proportional to 1,409,705.56, 1,945,395.59 and 765,125.84 is: 1,055,874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,705.56 : 1,945,395.59 = 765,125.84 : x
  2. Step 2: Convert to fraction form
    1,409,705.56/1,945,395.59 = 765,125.84/x
  3. Step 3: Cross multiply
    1,409,705.56x = 1,945,395.59 × 765,125.84
  4. Step 4: Simplify right side
    1,409,705.56x = 1,488,472,434,931.05
  5. Step 5: Solve for x
    x = 1,488,472,434,931.05/1,409,705.56
  6. Step 6: Final answer
    x = 1,055,874.70

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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.