Home / 1,091,037.18-1,505,523.48-607,647.30

Finding the Fourth Proportional to 1,091,037.18, 1,505,523.48 and 607,647.30

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Solution

The fourth proportional to 1,091,037.18, 1,505,523.48 and 607,647.30 is: 838,493.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,037.18 : 1,505,523.48 = 607,647.30 : x
  2. Step 2: Convert to fraction form
    1,091,037.18/1,505,523.48 = 607,647.30/x
  3. Step 3: Cross multiply
    1,091,037.18x = 1,505,523.48 × 607,647.30
  4. Step 4: Simplify right side
    1,091,037.18x = 914,827,277,708.60
  5. Step 5: Solve for x
    x = 914,827,277,708.60/1,091,037.18
  6. Step 6: Final answer
    x = 838,493.22

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Double scale
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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.