Home / 1,565,611.20-2,349,194.40-619,012.80

Finding the Fourth Proportional to 1,565,611.20, 2,349,194.40 and 619,012.80

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Solution

The fourth proportional to 1,565,611.20, 2,349,194.40 and 619,012.80 is: 928,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,611.20 : 2,349,194.40 = 619,012.80 : x
  2. Step 2: Convert to fraction form
    1,565,611.20/2,349,194.40 = 619,012.80/x
  3. Step 3: Cross multiply
    1,565,611.20x = 2,349,194.40 × 619,012.80
  4. Step 4: Simplify right side
    1,565,611.20x = 1,454,181,403,288.32
  5. Step 5: Solve for x
    x = 1,454,181,403,288.32/1,565,611.20
  6. Step 6: Final answer
    x = 928,826.65

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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.