Home / 1,529,190.91-2,110,337.72-840,915.55

Finding the Fourth Proportional to 1,529,190.91, 2,110,337.72 and 840,915.55

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Solution

The fourth proportional to 1,529,190.91, 2,110,337.72 and 840,915.55 is: 1,160,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,190.91 : 2,110,337.72 = 840,915.55 : x
  2. Step 2: Convert to fraction form
    1,529,190.91/2,110,337.72 = 840,915.55/x
  3. Step 3: Cross multiply
    1,529,190.91x = 2,110,337.72 × 840,915.55
  4. Step 4: Simplify right side
    1,529,190.91x = 1,774,615,804,499.55
  5. Step 5: Solve for x
    x = 1,774,615,804,499.55/1,529,190.91
  6. Step 6: Final answer
    x = 1,160,493.30

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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.