Home / 885,453.92-1,326,962.64-379,409.12

Finding the Fourth Proportional to 885,453.92, 1,326,962.64 and 379,409.12

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Solution

The fourth proportional to 885,453.92, 1,326,962.64 and 379,409.12 is: 568,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,453.92 : 1,326,962.64 = 379,409.12 : x
  2. Step 2: Convert to fraction form
    885,453.92/1,326,962.64 = 379,409.12/x
  3. Step 3: Cross multiply
    885,453.92x = 1,326,962.64 × 379,409.12
  4. Step 4: Simplify right side
    885,453.92x = 503,461,727,515.28
  5. Step 5: Solve for x
    x = 503,461,727,515.28/885,453.92
  6. Step 6: Final answer
    x = 568,591.68

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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.