Home / 875,356.60-1,312,845.36-235,644.52

Finding the Fourth Proportional to 875,356.60, 1,312,845.36 and 235,644.52

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Solution

The fourth proportional to 875,356.60, 1,312,845.36 and 235,644.52 is: 353,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,356.60 : 1,312,845.36 = 235,644.52 : x
  2. Step 2: Convert to fraction form
    875,356.60/1,312,845.36 = 235,644.52/x
  3. Step 3: Cross multiply
    875,356.60x = 1,312,845.36 × 235,644.52
  4. Step 4: Simplify right side
    875,356.60x = 309,364,814,691.43
  5. Step 5: Solve for x
    x = 309,364,814,691.43/875,356.60
  6. Step 6: Final answer
    x = 353,415.76

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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.