Home / 719,124.89-1,077,659.24-528,086.39

Finding the Fourth Proportional to 719,124.89, 1,077,659.24 and 528,086.39

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Solution

The fourth proportional to 719,124.89, 1,077,659.24 and 528,086.39 is: 791,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,124.89 : 1,077,659.24 = 528,086.39 : x
  2. Step 2: Convert to fraction form
    719,124.89/1,077,659.24 = 528,086.39/x
  3. Step 3: Cross multiply
    719,124.89x = 1,077,659.24 × 528,086.39
  4. Step 4: Simplify right side
    719,124.89x = 569,097,169,673.02
  5. Step 5: Solve for x
    x = 569,097,169,673.02/719,124.89
  6. Step 6: Final answer
    x = 791,374.60

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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.