Home / 637,103.09-955,653.48-436,816.28

Finding the Fourth Proportional to 637,103.09, 955,653.48 and 436,816.28

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Solution

The fourth proportional to 637,103.09, 955,653.48 and 436,816.28 is: 655,223.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,103.09 : 955,653.48 = 436,816.28 : x
  2. Step 2: Convert to fraction form
    637,103.09/955,653.48 = 436,816.28/x
  3. Step 3: Cross multiply
    637,103.09x = 955,653.48 × 436,816.28
  4. Step 4: Simplify right side
    637,103.09x = 417,444,993,324.39
  5. Step 5: Solve for x
    x = 417,444,993,324.39/637,103.09
  6. Step 6: Final answer
    x = 655,223.63

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.