Home / 936,920.68-1,292,950.97-507,200.81

Finding the Fourth Proportional to 936,920.68, 1,292,950.97 and 507,200.81

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Solution

The fourth proportional to 936,920.68, 1,292,950.97 and 507,200.81 is: 699,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,920.68 : 1,292,950.97 = 507,200.81 : x
  2. Step 2: Convert to fraction form
    936,920.68/1,292,950.97 = 507,200.81/x
  3. Step 3: Cross multiply
    936,920.68x = 1,292,950.97 × 507,200.81
  4. Step 4: Simplify right side
    936,920.68x = 655,785,783,774.67
  5. Step 5: Solve for x
    x = 655,785,783,774.67/936,920.68
  6. Step 6: Final answer
    x = 699,937.36

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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.