Home / 919,484.60-1,268,868.89-532,316.42

Finding the Fourth Proportional to 919,484.60, 1,268,868.89 and 532,316.42

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Solution

The fourth proportional to 919,484.60, 1,268,868.89 and 532,316.42 is: 734,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,484.60 : 1,268,868.89 = 532,316.42 : x
  2. Step 2: Convert to fraction form
    919,484.60/1,268,868.89 = 532,316.42/x
  3. Step 3: Cross multiply
    919,484.60x = 1,268,868.89 × 532,316.42
  4. Step 4: Simplify right side
    919,484.60x = 675,439,744,974.17
  5. Step 5: Solve for x
    x = 675,439,744,974.17/919,484.60
  6. Step 6: Final answer
    x = 734,585.16

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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.