Home / 1,008,400.56-1,511,685.36-503,116.08

Finding the Fourth Proportional to 1,008,400.56, 1,511,685.36 and 503,116.08

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Solution

The fourth proportional to 1,008,400.56, 1,511,685.36 and 503,116.08 is: 754,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,400.56 : 1,511,685.36 = 503,116.08 : x
  2. Step 2: Convert to fraction form
    1,008,400.56/1,511,685.36 = 503,116.08/x
  3. Step 3: Cross multiply
    1,008,400.56x = 1,511,685.36 × 503,116.08
  4. Step 4: Simplify right side
    1,008,400.56x = 760,553,212,516.59
  5. Step 5: Solve for x
    x = 760,553,212,516.59/1,008,400.56
  6. Step 6: Final answer
    x = 754,217.36

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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.