Home / 936,921.08-1,292,950.82-507,200.90

Finding the Fourth Proportional to 936,921.08, 1,292,950.82 and 507,200.90

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Solution

The fourth proportional to 936,921.08, 1,292,950.82 and 507,200.90 is: 699,937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,921.08 : 1,292,950.82 = 507,200.90 : x
  2. Step 2: Convert to fraction form
    936,921.08/1,292,950.82 = 507,200.90/x
  3. Step 3: Cross multiply
    936,921.08x = 1,292,950.82 × 507,200.90
  4. Step 4: Simplify right side
    936,921.08x = 655,785,814,362.99
  5. Step 5: Solve for x
    x = 655,785,814,362.99/936,921.08
  6. Step 6: Final answer
    x = 699,937.09

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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.