Home / 1,038,161.80-1,557,534.30-505,700.20

Finding the Fourth Proportional to 1,038,161.80, 1,557,534.30 and 505,700.20

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Solution

The fourth proportional to 1,038,161.80, 1,557,534.30 and 505,700.20 is: 758,692.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,161.80 : 1,557,534.30 = 505,700.20 : x
  2. Step 2: Convert to fraction form
    1,038,161.80/1,557,534.30 = 505,700.20/x
  3. Step 3: Cross multiply
    1,038,161.80x = 1,557,534.30 × 505,700.20
  4. Step 4: Simplify right side
    1,038,161.80x = 787,645,407,016.86
  5. Step 5: Solve for x
    x = 787,645,407,016.86/1,038,161.80
  6. Step 6: Final answer
    x = 758,692.34

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Double scale
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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.