Home / 1,028,156.86-1,418,809.80-569,238.94

Finding the Fourth Proportional to 1,028,156.86, 1,418,809.80 and 569,238.94

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Solution

The fourth proportional to 1,028,156.86, 1,418,809.80 and 569,238.94 is: 785,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,156.86 : 1,418,809.80 = 569,238.94 : x
  2. Step 2: Convert to fraction form
    1,028,156.86/1,418,809.80 = 569,238.94/x
  3. Step 3: Cross multiply
    1,028,156.86x = 1,418,809.80 × 569,238.94
  4. Step 4: Simplify right side
    1,028,156.86x = 807,641,786,613.61
  5. Step 5: Solve for x
    x = 807,641,786,613.61/1,028,156.86
  6. Step 6: Final answer
    x = 785,523.90

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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.