Home / 1,426,141.50-2,140,052.94-528,213.78

Finding the Fourth Proportional to 1,426,141.50, 2,140,052.94 and 528,213.78

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Solution

The fourth proportional to 1,426,141.50, 2,140,052.94 and 528,213.78 is: 792,632.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,141.50 : 2,140,052.94 = 528,213.78 : x
  2. Step 2: Convert to fraction form
    1,426,141.50/2,140,052.94 = 528,213.78/x
  3. Step 3: Cross multiply
    1,426,141.50x = 2,140,052.94 × 528,213.78
  4. Step 4: Simplify right side
    1,426,141.50x = 1,130,405,452,837.51
  5. Step 5: Solve for x
    x = 1,130,405,452,837.51/1,426,141.50
  6. Step 6: Final answer
    x = 792,632.04

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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.