Home / 519,722.10-717,196.08-326,234.16

Finding the Fourth Proportional to 519,722.10, 717,196.08 and 326,234.16

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Solution

The fourth proportional to 519,722.10, 717,196.08 and 326,234.16 is: 450,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,722.10 : 717,196.08 = 326,234.16 : x
  2. Step 2: Convert to fraction form
    519,722.10/717,196.08 = 326,234.16/x
  3. Step 3: Cross multiply
    519,722.10x = 717,196.08 × 326,234.16
  4. Step 4: Simplify right side
    519,722.10x = 233,973,860,714.09
  5. Step 5: Solve for x
    x = 233,973,860,714.09/519,722.10
  6. Step 6: Final answer
    x = 450,190.32

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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.