Home / 916,027.20-1,264,137.83-508,115.79

Finding the Fourth Proportional to 916,027.20, 1,264,137.83 and 508,115.79

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Solution

The fourth proportional to 916,027.20, 1,264,137.83 and 508,115.79 is: 701,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,027.20 : 1,264,137.83 = 508,115.79 : x
  2. Step 2: Convert to fraction form
    916,027.20/1,264,137.83 = 508,115.79/x
  3. Step 3: Cross multiply
    916,027.20x = 1,264,137.83 × 508,115.79
  4. Step 4: Simplify right side
    916,027.20x = 642,328,392,159.34
  5. Step 5: Solve for x
    x = 642,328,392,159.34/916,027.20
  6. Step 6: Final answer
    x = 701,211.05

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Double scale
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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.