Home / 878,259.24-1,211,530.26-534,200.40

Finding the Fourth Proportional to 878,259.24, 1,211,530.26 and 534,200.40

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Solution

The fourth proportional to 878,259.24, 1,211,530.26 and 534,200.40 is: 736,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,259.24 : 1,211,530.26 = 534,200.40 : x
  2. Step 2: Convert to fraction form
    878,259.24/1,211,530.26 = 534,200.40/x
  3. Step 3: Cross multiply
    878,259.24x = 1,211,530.26 × 534,200.40
  4. Step 4: Simplify right side
    878,259.24x = 647,199,949,504.10
  5. Step 5: Solve for x
    x = 647,199,949,504.10/878,259.24
  6. Step 6: Final answer
    x = 736,912.20

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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.