Home / 1,152,561.87-1,589,056.88-945,065.79

Finding the Fourth Proportional to 1,152,561.87, 1,589,056.88 and 945,065.79

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Solution

The fourth proportional to 1,152,561.87, 1,589,056.88 and 945,065.79 is: 1,302,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,561.87 : 1,589,056.88 = 945,065.79 : x
  2. Step 2: Convert to fraction form
    1,152,561.87/1,589,056.88 = 945,065.79/x
  3. Step 3: Cross multiply
    1,152,561.87x = 1,589,056.88 × 945,065.79
  4. Step 4: Simplify right side
    1,152,561.87x = 1,501,763,290,926.81
  5. Step 5: Solve for x
    x = 1,501,763,290,926.81/1,152,561.87
  6. Step 6: Final answer
    x = 1,302,978.46

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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.