Home / 515,913.60-773,611.20-235,113.60

Finding the Fourth Proportional to 515,913.60, 773,611.20 and 235,113.60

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Solution

The fourth proportional to 515,913.60, 773,611.20 and 235,113.60 is: 352,552.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,913.60 : 773,611.20 = 235,113.60 : x
  2. Step 2: Convert to fraction form
    515,913.60/773,611.20 = 235,113.60/x
  3. Step 3: Cross multiply
    515,913.60x = 773,611.20 × 235,113.60
  4. Step 4: Simplify right side
    515,913.60x = 181,886,514,232.32
  5. Step 5: Solve for x
    x = 181,886,514,232.32/515,913.60
  6. Step 6: Final answer
    x = 352,552.28

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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.