Home / 841,601.80-1,161,411.78-479,025.65

Finding the Fourth Proportional to 841,601.80, 1,161,411.78 and 479,025.65

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Solution

The fourth proportional to 841,601.80, 1,161,411.78 and 479,025.65 is: 661,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,601.80 : 1,161,411.78 = 479,025.65 : x
  2. Step 2: Convert to fraction form
    841,601.80/1,161,411.78 = 479,025.65/x
  3. Step 3: Cross multiply
    841,601.80x = 1,161,411.78 × 479,025.65
  4. Step 4: Simplify right side
    841,601.80x = 556,346,035,735.69
  5. Step 5: Solve for x
    x = 556,346,035,735.69/841,601.80
  6. Step 6: Final answer
    x = 661,056.14

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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.