Home / 623,436.23-860,324.73-351,501.71

Finding the Fourth Proportional to 623,436.23, 860,324.73 and 351,501.71

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Solution

The fourth proportional to 623,436.23, 860,324.73 and 351,501.71 is: 485,062.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,436.23 : 860,324.73 = 351,501.71 : x
  2. Step 2: Convert to fraction form
    623,436.23/860,324.73 = 351,501.71/x
  3. Step 3: Cross multiply
    623,436.23x = 860,324.73 × 351,501.71
  4. Step 4: Simplify right side
    623,436.23x = 302,405,609,448.67
  5. Step 5: Solve for x
    x = 302,405,609,448.67/623,436.23
  6. Step 6: Final answer
    x = 485,062.62

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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.