Home / 814,152.76-1,123,665.34-451,693.38

Finding the Fourth Proportional to 814,152.76, 1,123,665.34 and 451,693.38

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Solution

The fourth proportional to 814,152.76, 1,123,665.34 and 451,693.38 is: 623,411.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,152.76 : 1,123,665.34 = 451,693.38 : x
  2. Step 2: Convert to fraction form
    814,152.76/1,123,665.34 = 451,693.38/x
  3. Step 3: Cross multiply
    814,152.76x = 1,123,665.34 × 451,693.38
  4. Step 4: Simplify right side
    814,152.76x = 507,552,195,413.45
  5. Step 5: Solve for x
    x = 507,552,195,413.45/814,152.76
  6. Step 6: Final answer
    x = 623,411.50

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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.