Home / 728,353.08-1,004,557.50-473,785.56

Finding the Fourth Proportional to 728,353.08, 1,004,557.50 and 473,785.56

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Solution

The fourth proportional to 728,353.08, 1,004,557.50 and 473,785.56 is: 653,453.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,353.08 : 1,004,557.50 = 473,785.56 : x
  2. Step 2: Convert to fraction form
    728,353.08/1,004,557.50 = 473,785.56/x
  3. Step 3: Cross multiply
    728,353.08x = 1,004,557.50 × 473,785.56
  4. Step 4: Simplify right side
    728,353.08x = 475,944,837,689.70
  5. Step 5: Solve for x
    x = 475,944,837,689.70/728,353.08
  6. Step 6: Final answer
    x = 653,453.46

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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.