Home / 677,221.37-934,376.40-533,535.47

Finding the Fourth Proportional to 677,221.37, 934,376.40 and 533,535.47

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Solution

The fourth proportional to 677,221.37, 934,376.40 and 533,535.47 is: 736,129.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,221.37 : 934,376.40 = 533,535.47 : x
  2. Step 2: Convert to fraction form
    677,221.37/934,376.40 = 533,535.47/x
  3. Step 3: Cross multiply
    677,221.37x = 934,376.40 × 533,535.47
  4. Step 4: Simplify right side
    677,221.37x = 498,522,951,730.91
  5. Step 5: Solve for x
    x = 498,522,951,730.91/677,221.37
  6. Step 6: Final answer
    x = 736,129.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.