Home / 1,478,984.43-2,218,722.03-519,191.24

Finding the Fourth Proportional to 1,478,984.43, 2,218,722.03 and 519,191.24

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Solution

The fourth proportional to 1,478,984.43, 2,218,722.03 and 519,191.24 is: 778,872.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,984.43 : 2,218,722.03 = 519,191.24 : x
  2. Step 2: Convert to fraction form
    1,478,984.43/2,218,722.03 = 519,191.24/x
  3. Step 3: Cross multiply
    1,478,984.43x = 2,218,722.03 × 519,191.24
  4. Step 4: Simplify right side
    1,478,984.43x = 1,151,941,030,877.41
  5. Step 5: Solve for x
    x = 1,151,941,030,877.41/1,478,984.43
  6. Step 6: Final answer
    x = 778,872.99

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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.