Home / 847,685.16-1,170,112.44-561,297.48

Finding the Fourth Proportional to 847,685.16, 1,170,112.44 and 561,297.48

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Solution

The fourth proportional to 847,685.16, 1,170,112.44 and 561,297.48 is: 774,793.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,685.16 : 1,170,112.44 = 561,297.48 : x
  2. Step 2: Convert to fraction form
    847,685.16/1,170,112.44 = 561,297.48/x
  3. Step 3: Cross multiply
    847,685.16x = 1,170,112.44 × 561,297.48
  4. Step 4: Simplify right side
    847,685.16x = 656,781,163,888.65
  5. Step 5: Solve for x
    x = 656,781,163,888.65/847,685.16
  6. Step 6: Final answer
    x = 774,793.75

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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.