Home / 1,392,258.83-2,088,588.51-528,011.91

Finding the Fourth Proportional to 1,392,258.83, 2,088,588.51 and 528,011.91

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Solution

The fourth proportional to 1,392,258.83, 2,088,588.51 and 528,011.91 is: 792,093.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,258.83 : 2,088,588.51 = 528,011.91 : x
  2. Step 2: Convert to fraction form
    1,392,258.83/2,088,588.51 = 528,011.91/x
  3. Step 3: Cross multiply
    1,392,258.83x = 2,088,588.51 × 528,011.91
  4. Step 4: Simplify right side
    1,392,258.83x = 1,102,799,608,369.15
  5. Step 5: Solve for x
    x = 1,102,799,608,369.15/1,392,258.83
  6. Step 6: Final answer
    x = 792,093.82

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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.