Home / 789,618.04-1,089,171.24-517,703.56

Finding the Fourth Proportional to 789,618.04, 1,089,171.24 and 517,703.56

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Solution

The fourth proportional to 789,618.04, 1,089,171.24 and 517,703.56 is: 714,102.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,618.04 : 1,089,171.24 = 517,703.56 : x
  2. Step 2: Convert to fraction form
    789,618.04/1,089,171.24 = 517,703.56/x
  3. Step 3: Cross multiply
    789,618.04x = 1,089,171.24 × 517,703.56
  4. Step 4: Simplify right side
    789,618.04x = 563,867,828,397.61
  5. Step 5: Solve for x
    x = 563,867,828,397.61/789,618.04
  6. Step 6: Final answer
    x = 714,102.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.