Home / 738,325.90-1,018,910.91-416,018.26

Finding the Fourth Proportional to 738,325.90, 1,018,910.91 and 416,018.26

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Solution

The fourth proportional to 738,325.90, 1,018,910.91 and 416,018.26 is: 574,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,325.90 : 1,018,910.91 = 416,018.26 : x
  2. Step 2: Convert to fraction form
    738,325.90/1,018,910.91 = 416,018.26/x
  3. Step 3: Cross multiply
    738,325.90x = 1,018,910.91 × 416,018.26
  4. Step 4: Simplify right side
    738,325.90x = 423,885,543,873.22
  5. Step 5: Solve for x
    x = 423,885,543,873.22/738,325.90
  6. Step 6: Final answer
    x = 574,117.13

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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.