Home / 623,435.73-860,324.05-351,501.21

Finding the Fourth Proportional to 623,435.73, 860,324.05 and 351,501.21

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Solution

The fourth proportional to 623,435.73, 860,324.05 and 351,501.21 is: 485,061.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,435.73 : 860,324.05 = 351,501.21 : x
  2. Step 2: Convert to fraction form
    623,435.73/860,324.05 = 351,501.21/x
  3. Step 3: Cross multiply
    623,435.73x = 860,324.05 × 351,501.21
  4. Step 4: Simplify right side
    623,435.73x = 302,404,944,567.10
  5. Step 5: Solve for x
    x = 302,404,944,567.10/623,435.73
  6. Step 6: Final answer
    x = 485,061.94

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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.