Home / 2,109,702.57-3,164,553.87-512,254.91

Finding the Fourth Proportional to 2,109,702.57, 3,164,553.87 and 512,254.91

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Solution

The fourth proportional to 2,109,702.57, 3,164,553.87 and 512,254.91 is: 768,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,702.57 : 3,164,553.87 = 512,254.91 : x
  2. Step 2: Convert to fraction form
    2,109,702.57/3,164,553.87 = 512,254.91/x
  3. Step 3: Cross multiply
    2,109,702.57x = 3,164,553.87 × 512,254.91
  4. Step 4: Simplify right side
    2,109,702.57x = 1,621,058,239,482.96
  5. Step 5: Solve for x
    x = 1,621,058,239,482.96/2,109,702.57
  6. Step 6: Final answer
    x = 768,382.36

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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.