Home / 825,180.08-1,139,121.56-519,705.37

Finding the Fourth Proportional to 825,180.08, 1,139,121.56 and 519,705.37

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Solution

The fourth proportional to 825,180.08, 1,139,121.56 and 519,705.37 is: 717,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,180.08 : 1,139,121.56 = 519,705.37 : x
  2. Step 2: Convert to fraction form
    825,180.08/1,139,121.56 = 519,705.37/x
  3. Step 3: Cross multiply
    825,180.08x = 1,139,121.56 × 519,705.37
  4. Step 4: Simplify right side
    825,180.08x = 592,007,583,520.64
  5. Step 5: Solve for x
    x = 592,007,583,520.64/825,180.08
  6. Step 6: Final answer
    x = 717,428.35

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1.5x scale

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.