Home / 676,257.21-933,223.55-374,444.73

Finding the Fourth Proportional to 676,257.21, 933,223.55 and 374,444.73

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Solution

The fourth proportional to 676,257.21, 933,223.55 and 374,444.73 is: 516,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,257.21 : 933,223.55 = 374,444.73 : x
  2. Step 2: Convert to fraction form
    676,257.21/933,223.55 = 374,444.73/x
  3. Step 3: Cross multiply
    676,257.21x = 933,223.55 × 374,444.73
  4. Step 4: Simplify right side
    676,257.21x = 349,440,638,337.17
  5. Step 5: Solve for x
    x = 349,440,638,337.17/676,257.21
  6. Step 6: Final answer
    x = 516,727.41

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Double scale
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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.