Home / 1,022,218.32-1,533,333.15-422,854.77

Finding the Fourth Proportional to 1,022,218.32, 1,533,333.15 and 422,854.77

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Solution

The fourth proportional to 1,022,218.32, 1,533,333.15 and 422,854.77 is: 634,284.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,218.32 : 1,533,333.15 = 422,854.77 : x
  2. Step 2: Convert to fraction form
    1,022,218.32/1,533,333.15 = 422,854.77/x
  3. Step 3: Cross multiply
    1,022,218.32x = 1,533,333.15 × 422,854.77
  4. Step 4: Simplify right side
    1,022,218.32x = 648,377,236,476.63
  5. Step 5: Solve for x
    x = 648,377,236,476.63/1,022,218.32
  6. Step 6: Final answer
    x = 634,284.50

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Double scale
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1.5x scale

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.