Home / 936,920.56-1,292,950.80-507,200.69

Finding the Fourth Proportional to 936,920.56, 1,292,950.80 and 507,200.69

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Solution

The fourth proportional to 936,920.56, 1,292,950.80 and 507,200.69 is: 699,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,920.56 : 1,292,950.80 = 507,200.69 : x
  2. Step 2: Convert to fraction form
    936,920.56/1,292,950.80 = 507,200.69/x
  3. Step 3: Cross multiply
    936,920.56x = 1,292,950.80 × 507,200.69
  4. Step 4: Simplify right side
    936,920.56x = 655,785,531,431.30
  5. Step 5: Solve for x
    x = 655,785,531,431.30/936,920.56
  6. Step 6: Final answer
    x = 699,937.18

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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.