Home / 1,149,439.37-1,586,275.54-640,141.74

Finding the Fourth Proportional to 1,149,439.37, 1,586,275.54 and 640,141.74

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Solution

The fourth proportional to 1,149,439.37, 1,586,275.54 and 640,141.74 is: 883,423.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,439.37 : 1,586,275.54 = 640,141.74 : x
  2. Step 2: Convert to fraction form
    1,149,439.37/1,586,275.54 = 640,141.74/x
  3. Step 3: Cross multiply
    1,149,439.37x = 1,586,275.54 × 640,141.74
  4. Step 4: Simplify right side
    1,149,439.37x = 1,015,441,182,694.69
  5. Step 5: Solve for x
    x = 1,015,441,182,694.69/1,149,439.37
  6. Step 6: Final answer
    x = 883,423.01

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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.