Home / 1,409,721.35-2,113,105.80-556,463.30

Finding the Fourth Proportional to 1,409,721.35, 2,113,105.80 and 556,463.30

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Solution

The fourth proportional to 1,409,721.35, 2,113,105.80 and 556,463.30 is: 834,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,721.35 : 2,113,105.80 = 556,463.30 : x
  2. Step 2: Convert to fraction form
    1,409,721.35/2,113,105.80 = 556,463.30/x
  3. Step 3: Cross multiply
    1,409,721.35x = 2,113,105.80 × 556,463.30
  4. Step 4: Simplify right side
    1,409,721.35x = 1,175,865,826,717.14
  5. Step 5: Solve for x
    x = 1,175,865,826,717.14/1,409,721.35
  6. Step 6: Final answer
    x = 834,112.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.