Home / 903,028.59-1,246,235.42-500,620.59

Finding the Fourth Proportional to 903,028.59, 1,246,235.42 and 500,620.59

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Solution

The fourth proportional to 903,028.59, 1,246,235.42 and 500,620.59 is: 690,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,028.59 : 1,246,235.42 = 500,620.59 : x
  2. Step 2: Convert to fraction form
    903,028.59/1,246,235.42 = 500,620.59/x
  3. Step 3: Cross multiply
    903,028.59x = 1,246,235.42 × 500,620.59
  4. Step 4: Simplify right side
    903,028.59x = 623,891,111,239.30
  5. Step 5: Solve for x
    x = 623,891,111,239.30/903,028.59
  6. Step 6: Final answer
    x = 690,887.44

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Half scale
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Double scale
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Similar ratio
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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.