Home / 826,399.54-1,239,685.71-293,969.62

Finding the Fourth Proportional to 826,399.54, 1,239,685.71 and 293,969.62

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Solution

The fourth proportional to 826,399.54, 1,239,685.71 and 293,969.62 is: 440,985.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,399.54 : 1,239,685.71 = 293,969.62 : x
  2. Step 2: Convert to fraction form
    826,399.54/1,239,685.71 = 293,969.62/x
  3. Step 3: Cross multiply
    826,399.54x = 1,239,685.71 × 293,969.62
  4. Step 4: Simplify right side
    826,399.54x = 364,429,937,088.13
  5. Step 5: Solve for x
    x = 364,429,937,088.13/826,399.54
  6. Step 6: Final answer
    x = 440,985.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.