Home / 671,342.94-926,743.51-480,023.90

Finding the Fourth Proportional to 671,342.94, 926,743.51 and 480,023.90

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Solution

The fourth proportional to 671,342.94, 926,743.51 and 480,023.90 is: 662,640.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,342.94 : 926,743.51 = 480,023.90 : x
  2. Step 2: Convert to fraction form
    671,342.94/926,743.51 = 480,023.90/x
  3. Step 3: Cross multiply
    671,342.94x = 926,743.51 × 480,023.90
  4. Step 4: Simplify right side
    671,342.94x = 444,859,033,969.89
  5. Step 5: Solve for x
    x = 444,859,033,969.89/671,342.94
  6. Step 6: Final answer
    x = 662,640.52

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1.5x scale

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.