Home / 753,656.52-1,130,650.86-417,187.94

Finding the Fourth Proportional to 753,656.52, 1,130,650.86 and 417,187.94

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Solution

The fourth proportional to 753,656.52, 1,130,650.86 and 417,187.94 is: 625,873.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,656.52 : 1,130,650.86 = 417,187.94 : x
  2. Step 2: Convert to fraction form
    753,656.52/1,130,650.86 = 417,187.94/x
  3. Step 3: Cross multiply
    753,656.52x = 1,130,650.86 × 417,187.94
  4. Step 4: Simplify right side
    753,656.52x = 471,693,903,142.63
  5. Step 5: Solve for x
    x = 471,693,903,142.63/753,656.52
  6. Step 6: Final answer
    x = 625,873.84

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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.