Home / 937,121.64-1,293,222.36-507,392.88

Finding the Fourth Proportional to 937,121.64, 1,293,222.36 and 507,392.88

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Solution

The fourth proportional to 937,121.64, 1,293,222.36 and 507,392.88 is: 700,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,121.64 : 1,293,222.36 = 507,392.88 : x
  2. Step 2: Convert to fraction form
    937,121.64/1,293,222.36 = 507,392.88/x
  3. Step 3: Cross multiply
    937,121.64x = 1,293,222.36 × 507,392.88
  4. Step 4: Simplify right side
    937,121.64x = 656,171,817,720.80
  5. Step 5: Solve for x
    x = 656,171,817,720.80/937,121.64
  6. Step 6: Final answer
    x = 700,199.19

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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.