Home / 1,019,506.64-1,529,571-521,220.56

Finding the Fourth Proportional to 1,019,506.64, 1,529,571 and 521,220.56

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Solution

The fourth proportional to 1,019,506.64, 1,529,571 and 521,220.56 is: 781,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,506.64 : 1,529,571 = 521,220.56 : x
  2. Step 2: Convert to fraction form
    1,019,506.64/1,529,571 = 521,220.56/x
  3. Step 3: Cross multiply
    1,019,506.64x = 1,529,571 × 521,220.56
  4. Step 4: Simplify right side
    1,019,506.64x = 797,243,853,179.76
  5. Step 5: Solve for x
    x = 797,243,853,179.76/1,019,506.64
  6. Step 6: Final answer
    x = 781,989.86

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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.