Home / 1,251,571.79-1,877,432.40-353,090.22

Finding the Fourth Proportional to 1,251,571.79, 1,877,432.40 and 353,090.22

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Solution

The fourth proportional to 1,251,571.79, 1,877,432.40 and 353,090.22 is: 529,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,571.79 : 1,877,432.40 = 353,090.22 : x
  2. Step 2: Convert to fraction form
    1,251,571.79/1,877,432.40 = 353,090.22/x
  3. Step 3: Cross multiply
    1,251,571.79x = 1,877,432.40 × 353,090.22
  4. Step 4: Simplify right side
    1,251,571.79x = 662,903,019,151.13
  5. Step 5: Solve for x
    x = 662,903,019,151.13/1,251,571.79
  6. Step 6: Final answer
    x = 529,656.41

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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.