Home / 718,789.05-992,247.71-464,264.37

Finding the Fourth Proportional to 718,789.05, 992,247.71 and 464,264.37

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Solution

The fourth proportional to 718,789.05, 992,247.71 and 464,264.37 is: 640,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,789.05 : 992,247.71 = 464,264.37 : x
  2. Step 2: Convert to fraction form
    718,789.05/992,247.71 = 464,264.37/x
  3. Step 3: Cross multiply
    718,789.05x = 992,247.71 × 464,264.37
  4. Step 4: Simplify right side
    718,789.05x = 460,665,255,645.77
  5. Step 5: Solve for x
    x = 460,665,255,645.77/718,789.05
  6. Step 6: Final answer
    x = 640,890.75

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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.