Home / 1,205,033.72-1,807,233.78-572,689.40

Finding the Fourth Proportional to 1,205,033.72, 1,807,233.78 and 572,689.40

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Solution

The fourth proportional to 1,205,033.72, 1,807,233.78 and 572,689.40 is: 858,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,033.72 : 1,807,233.78 = 572,689.40 : x
  2. Step 2: Convert to fraction form
    1,205,033.72/1,807,233.78 = 572,689.40/x
  3. Step 3: Cross multiply
    1,205,033.72x = 1,807,233.78 × 572,689.40
  4. Step 4: Simplify right side
    1,205,033.72x = 1,034,983,629,127.93
  5. Step 5: Solve for x
    x = 1,034,983,629,127.93/1,205,033.72
  6. Step 6: Final answer
    x = 858,883.54

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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.