Home / 730,471.13-1,008,030.81-408,183.87

Finding the Fourth Proportional to 730,471.13, 1,008,030.81 and 408,183.87

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Solution

The fourth proportional to 730,471.13, 1,008,030.81 and 408,183.87 is: 563,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,471.13 : 1,008,030.81 = 408,183.87 : x
  2. Step 2: Convert to fraction form
    730,471.13/1,008,030.81 = 408,183.87/x
  3. Step 3: Cross multiply
    730,471.13x = 1,008,030.81 × 408,183.87
  4. Step 4: Simplify right side
    730,471.13x = 411,461,915,064.12
  5. Step 5: Solve for x
    x = 411,461,915,064.12/730,471.13
  6. Step 6: Final answer
    x = 563,282.93

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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.