Home / 832,361.05-1,149,434.45-612,643.40

Finding the Fourth Proportional to 832,361.05, 1,149,434.45 and 612,643.40

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Solution

The fourth proportional to 832,361.05, 1,149,434.45 and 612,643.40 is: 846,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,361.05 : 1,149,434.45 = 612,643.40 : x
  2. Step 2: Convert to fraction form
    832,361.05/1,149,434.45 = 612,643.40/x
  3. Step 3: Cross multiply
    832,361.05x = 1,149,434.45 × 612,643.40
  4. Step 4: Simplify right side
    832,361.05x = 704,193,429,335.50
  5. Step 5: Solve for x
    x = 704,193,429,335.50/832,361.05
  6. Step 6: Final answer
    x = 846,019.20

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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.