Home / 857,692.98-1,183,758.03-475,842.78

Finding the Fourth Proportional to 857,692.98, 1,183,758.03 and 475,842.78

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Solution

The fourth proportional to 857,692.98, 1,183,758.03 and 475,842.78 is: 656,741.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,692.98 : 1,183,758.03 = 475,842.78 : x
  2. Step 2: Convert to fraction form
    857,692.98/1,183,758.03 = 475,842.78/x
  3. Step 3: Cross multiply
    857,692.98x = 1,183,758.03 × 475,842.78
  4. Step 4: Simplify right side
    857,692.98x = 563,282,711,842.52
  5. Step 5: Solve for x
    x = 563,282,711,842.52/857,692.98
  6. Step 6: Final answer
    x = 656,741.66

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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.