Home / 453,840.32-681,123.36-204,541.76

Finding the Fourth Proportional to 453,840.32, 681,123.36 and 204,541.76

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Solution

The fourth proportional to 453,840.32, 681,123.36 and 204,541.76 is: 306,976.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,840.32 : 681,123.36 = 204,541.76 : x
  2. Step 2: Convert to fraction form
    453,840.32/681,123.36 = 204,541.76/x
  3. Step 3: Cross multiply
    453,840.32x = 681,123.36 × 204,541.76
  4. Step 4: Simplify right side
    453,840.32x = 139,318,170,831.51
  5. Step 5: Solve for x
    x = 139,318,170,831.51/453,840.32
  6. Step 6: Final answer
    x = 306,976.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.