Home / 986,680.22-1,361,618.72-533,971.22

Finding the Fourth Proportional to 986,680.22, 1,361,618.72 and 533,971.22

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Solution

The fourth proportional to 986,680.22, 1,361,618.72 and 533,971.22 is: 736,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,680.22 : 1,361,618.72 = 533,971.22 : x
  2. Step 2: Convert to fraction form
    986,680.22/1,361,618.72 = 533,971.22/x
  3. Step 3: Cross multiply
    986,680.22x = 1,361,618.72 × 533,971.22
  4. Step 4: Simplify right side
    986,680.22x = 727,065,213,832.21
  5. Step 5: Solve for x
    x = 727,065,213,832.21/986,680.22
  6. Step 6: Final answer
    x = 736,880.30

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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.