Home / 684,447.41-1,025,947.12-257,798.64

Finding the Fourth Proportional to 684,447.41, 1,025,947.12 and 257,798.64

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Solution

The fourth proportional to 684,447.41, 1,025,947.12 and 257,798.64 is: 386,425.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,447.41 : 1,025,947.12 = 257,798.64 : x
  2. Step 2: Convert to fraction form
    684,447.41/1,025,947.12 = 257,798.64/x
  3. Step 3: Cross multiply
    684,447.41x = 1,025,947.12 × 257,798.64
  4. Step 4: Simplify right side
    684,447.41x = 264,487,768,901.66
  5. Step 5: Solve for x
    x = 264,487,768,901.66/684,447.41
  6. Step 6: Final answer
    x = 386,425.26

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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.