Home / 821,604.60-1,232,406.90-734,513.40

Finding the Fourth Proportional to 821,604.60, 1,232,406.90 and 734,513.40

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Solution

The fourth proportional to 821,604.60, 1,232,406.90 and 734,513.40 is: 1,101,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,604.60 : 1,232,406.90 = 734,513.40 : x
  2. Step 2: Convert to fraction form
    821,604.60/1,232,406.90 = 734,513.40/x
  3. Step 3: Cross multiply
    821,604.60x = 1,232,406.90 × 734,513.40
  4. Step 4: Simplify right side
    821,604.60x = 905,219,382,302.46
  5. Step 5: Solve for x
    x = 905,219,382,302.46/821,604.60
  6. Step 6: Final answer
    x = 1,101,770.10

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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.