Home / 784,976.41-1,083,254.34-440,815.51

Finding the Fourth Proportional to 784,976.41, 1,083,254.34 and 440,815.51

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Solution

The fourth proportional to 784,976.41, 1,083,254.34 and 440,815.51 is: 608,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,976.41 : 1,083,254.34 = 440,815.51 : x
  2. Step 2: Convert to fraction form
    784,976.41/1,083,254.34 = 440,815.51/x
  3. Step 3: Cross multiply
    784,976.41x = 1,083,254.34 × 440,815.51
  4. Step 4: Simplify right side
    784,976.41x = 477,515,314,346.81
  5. Step 5: Solve for x
    x = 477,515,314,346.81/784,976.41
  6. Step 6: Final answer
    x = 608,318.04

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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.