Home / 891,868.55-1,230,263.87-569,214.97

Finding the Fourth Proportional to 891,868.55, 1,230,263.87 and 569,214.97

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Solution

The fourth proportional to 891,868.55, 1,230,263.87 and 569,214.97 is: 785,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,868.55 : 1,230,263.87 = 569,214.97 : x
  2. Step 2: Convert to fraction form
    891,868.55/1,230,263.87 = 569,214.97/x
  3. Step 3: Cross multiply
    891,868.55x = 1,230,263.87 × 569,214.97
  4. Step 4: Simplify right side
    891,868.55x = 700,284,605,932.40
  5. Step 5: Solve for x
    x = 700,284,605,932.40/891,868.55
  6. Step 6: Final answer
    x = 785,188.14

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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.