Home / 738,197.45-1,018,722.83-411,501.16

Finding the Fourth Proportional to 738,197.45, 1,018,722.83 and 411,501.16

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Solution

The fourth proportional to 738,197.45, 1,018,722.83 and 411,501.16 is: 567,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,197.45 : 1,018,722.83 = 411,501.16 : x
  2. Step 2: Convert to fraction form
    738,197.45/1,018,722.83 = 411,501.16/x
  3. Step 3: Cross multiply
    738,197.45x = 1,018,722.83 × 411,501.16
  4. Step 4: Simplify right side
    738,197.45x = 419,205,625,479.38
  5. Step 5: Solve for x
    x = 419,205,625,479.38/738,197.45
  6. Step 6: Final answer
    x = 567,877.37

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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.