Home / 936,919.40-1,292,948.48-507,199.21

Finding the Fourth Proportional to 936,919.40, 1,292,948.48 and 507,199.21

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Solution

The fourth proportional to 936,919.40, 1,292,948.48 and 507,199.21 is: 699,934.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,919.40 : 1,292,948.48 = 507,199.21 : x
  2. Step 2: Convert to fraction form
    936,919.40/1,292,948.48 = 507,199.21/x
  3. Step 3: Cross multiply
    936,919.40x = 1,292,948.48 × 507,199.21
  4. Step 4: Simplify right side
    936,919.40x = 655,782,445,662.33
  5. Step 5: Solve for x
    x = 655,782,445,662.33/936,919.40
  6. Step 6: Final answer
    x = 699,934.75

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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.