Home / 623,514.42-860,376.83-351,566.12

Finding the Fourth Proportional to 623,514.42, 860,376.83 and 351,566.12

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Solution

The fourth proportional to 623,514.42, 860,376.83 and 351,566.12 is: 485,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,514.42 : 860,376.83 = 351,566.12 : x
  2. Step 2: Convert to fraction form
    623,514.42/860,376.83 = 351,566.12/x
  3. Step 3: Cross multiply
    623,514.42x = 860,376.83 × 351,566.12
  4. Step 4: Simplify right side
    623,514.42x = 302,479,344,254.11
  5. Step 5: Solve for x
    x = 302,479,344,254.11/623,514.42
  6. Step 6: Final answer
    x = 485,120.05

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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.