Home / 581,028.84-871,347.06-221,114.16

Finding the Fourth Proportional to 581,028.84, 871,347.06 and 221,114.16

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Solution

The fourth proportional to 581,028.84, 871,347.06 and 221,114.16 is: 331,596.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,028.84 : 871,347.06 = 221,114.16 : x
  2. Step 2: Convert to fraction form
    581,028.84/871,347.06 = 221,114.16/x
  3. Step 3: Cross multiply
    581,028.84x = 871,347.06 × 221,114.16
  4. Step 4: Simplify right side
    581,028.84x = 192,667,173,240.37
  5. Step 5: Solve for x
    x = 192,667,173,240.37/581,028.84
  6. Step 6: Final answer
    x = 331,596.57

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Double scale
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1.5x scale

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.