Home / 623,436.39-860,324.98-351,501.92

Finding the Fourth Proportional to 623,436.39, 860,324.98 and 351,501.92

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Solution

The fourth proportional to 623,436.39, 860,324.98 and 351,501.92 is: 485,062.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,436.39 : 860,324.98 = 351,501.92 : x
  2. Step 2: Convert to fraction form
    623,436.39/860,324.98 = 351,501.92/x
  3. Step 3: Cross multiply
    623,436.39x = 860,324.98 × 351,501.92
  4. Step 4: Simplify right side
    623,436.39x = 302,405,882,293.96
  5. Step 5: Solve for x
    x = 302,405,882,293.96/623,436.39
  6. Step 6: Final answer
    x = 485,062.93

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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.