Home / 936,919.83-1,292,949.10-507,199.65

Finding the Fourth Proportional to 936,919.83, 1,292,949.10 and 507,199.65

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Solution

The fourth proportional to 936,919.83, 1,292,949.10 and 507,199.65 is: 699,935.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,919.83 : 1,292,949.10 = 507,199.65 : x
  2. Step 2: Convert to fraction form
    936,919.83/1,292,949.10 = 507,199.65/x
  3. Step 3: Cross multiply
    936,919.83x = 1,292,949.10 × 507,199.65
  4. Step 4: Simplify right side
    936,919.83x = 655,783,330,987.82
  5. Step 5: Solve for x
    x = 655,783,330,987.82/936,919.83
  6. Step 6: Final answer
    x = 699,935.37

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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.