Home / 1,143,280.38-1,577,790-633,971.82

Finding the Fourth Proportional to 1,143,280.38, 1,577,790 and 633,971.82

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Solution

The fourth proportional to 1,143,280.38, 1,577,790 and 633,971.82 is: 874,916.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,280.38 : 1,577,790 = 633,971.82 : x
  2. Step 2: Convert to fraction form
    1,143,280.38/1,577,790 = 633,971.82/x
  3. Step 3: Cross multiply
    1,143,280.38x = 1,577,790 × 633,971.82
  4. Step 4: Simplify right side
    1,143,280.38x = 1,000,274,397,877.80
  5. Step 5: Solve for x
    x = 1,000,274,397,877.80/1,143,280.38
  6. Step 6: Final answer
    x = 874,916.09

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1.5x scale

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.