Home / 1,078,308.02-1,616,609.78-538,287.14

Finding the Fourth Proportional to 1,078,308.02, 1,616,609.78 and 538,287.14

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Solution

The fourth proportional to 1,078,308.02, 1,616,609.78 and 538,287.14 is: 807,005.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,308.02 : 1,616,609.78 = 538,287.14 : x
  2. Step 2: Convert to fraction form
    1,078,308.02/1,616,609.78 = 538,287.14/x
  3. Step 3: Cross multiply
    1,078,308.02x = 1,616,609.78 × 538,287.14
  4. Step 4: Simplify right side
    1,078,308.02x = 870,200,244,197.75
  5. Step 5: Solve for x
    x = 870,200,244,197.75/1,078,308.02
  6. Step 6: Final answer
    x = 807,005.26

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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.