Home / 1,138,030.46-1,570,463.71-621,773.27

Finding the Fourth Proportional to 1,138,030.46, 1,570,463.71 and 621,773.27

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Solution

The fourth proportional to 1,138,030.46, 1,570,463.71 and 621,773.27 is: 858,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,030.46 : 1,570,463.71 = 621,773.27 : x
  2. Step 2: Convert to fraction form
    1,138,030.46/1,570,463.71 = 621,773.27/x
  3. Step 3: Cross multiply
    1,138,030.46x = 1,570,463.71 × 621,773.27
  4. Step 4: Simplify right side
    1,138,030.46x = 976,472,352,865.52
  5. Step 5: Solve for x
    x = 976,472,352,865.52/1,138,030.46
  6. Step 6: Final answer
    x = 858,037.09

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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.