Home / 812,544.03-1,218,360.20-556,665.66

Finding the Fourth Proportional to 812,544.03, 1,218,360.20 and 556,665.66

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Solution

The fourth proportional to 812,544.03, 1,218,360.20 and 556,665.66 is: 834,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,544.03 : 1,218,360.20 = 556,665.66 : x
  2. Step 2: Convert to fraction form
    812,544.03/1,218,360.20 = 556,665.66/x
  3. Step 3: Cross multiply
    812,544.03x = 1,218,360.20 × 556,665.66
  4. Step 4: Simplify right side
    812,544.03x = 678,219,282,067.40
  5. Step 5: Solve for x
    x = 678,219,282,067.40/812,544.03
  6. Step 6: Final answer
    x = 834,686.19

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1.5x scale

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.