Home / 1,038,855.78-1,558,328.22-407,906.28

Finding the Fourth Proportional to 1,038,855.78, 1,558,328.22 and 407,906.28

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Solution

The fourth proportional to 1,038,855.78, 1,558,328.22 and 407,906.28 is: 611,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,855.78 : 1,558,328.22 = 407,906.28 : x
  2. Step 2: Convert to fraction form
    1,038,855.78/1,558,328.22 = 407,906.28/x
  3. Step 3: Cross multiply
    1,038,855.78x = 1,558,328.22 × 407,906.28
  4. Step 4: Simplify right side
    1,038,855.78x = 635,651,867,239.22
  5. Step 5: Solve for x
    x = 635,651,867,239.22/1,038,855.78
  6. Step 6: Final answer
    x = 611,876.91

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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.