Home / 1,211,686.20-1,817,947.44-538,239.24

Finding the Fourth Proportional to 1,211,686.20, 1,817,947.44 and 538,239.24

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Solution

The fourth proportional to 1,211,686.20, 1,817,947.44 and 538,239.24 is: 807,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,686.20 : 1,817,947.44 = 538,239.24 : x
  2. Step 2: Convert to fraction form
    1,211,686.20/1,817,947.44 = 538,239.24/x
  3. Step 3: Cross multiply
    1,211,686.20x = 1,817,947.44 × 538,239.24
  4. Step 4: Simplify right side
    1,211,686.20x = 978,490,648,465.55
  5. Step 5: Solve for x
    x = 978,490,648,465.55/1,211,686.20
  6. Step 6: Final answer
    x = 807,544.60

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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.