Home / 1,438,235.64-2,156,792.73-539,187.27

Finding the Fourth Proportional to 1,438,235.64, 2,156,792.73 and 539,187.27

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Solution

The fourth proportional to 1,438,235.64, 2,156,792.73 and 539,187.27 is: 808,570.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,235.64 : 2,156,792.73 = 539,187.27 : x
  2. Step 2: Convert to fraction form
    1,438,235.64/2,156,792.73 = 539,187.27/x
  3. Step 3: Cross multiply
    1,438,235.64x = 2,156,792.73 × 539,187.27
  4. Step 4: Simplify right side
    1,438,235.64x = 1,162,915,184,044.55
  5. Step 5: Solve for x
    x = 1,162,915,184,044.55/1,438,235.64
  6. Step 6: Final answer
    x = 808,570.69

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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.