Home / 930,426.62-1,284,019.70-522,600.39

Finding the Fourth Proportional to 930,426.62, 1,284,019.70 and 522,600.39

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Solution

The fourth proportional to 930,426.62, 1,284,019.70 and 522,600.39 is: 721,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,426.62 : 1,284,019.70 = 522,600.39 : x
  2. Step 2: Convert to fraction form
    930,426.62/1,284,019.70 = 522,600.39/x
  3. Step 3: Cross multiply
    930,426.62x = 1,284,019.70 × 522,600.39
  4. Step 4: Simplify right side
    930,426.62x = 671,029,193,374.68
  5. Step 5: Solve for x
    x = 671,029,193,374.68/930,426.62
  6. Step 6: Final answer
    x = 721,205.93

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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.