Home / 1,039,142.40-1,557,401.40-505,514.40

Finding the Fourth Proportional to 1,039,142.40, 1,557,401.40 and 505,514.40

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Solution

The fourth proportional to 1,039,142.40, 1,557,401.40 and 505,514.40 is: 757,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,142.40 : 1,557,401.40 = 505,514.40 : x
  2. Step 2: Convert to fraction form
    1,039,142.40/1,557,401.40 = 505,514.40/x
  3. Step 3: Cross multiply
    1,039,142.40x = 1,557,401.40 × 505,514.40
  4. Step 4: Simplify right side
    1,039,142.40x = 787,288,834,280.16
  5. Step 5: Solve for x
    x = 787,288,834,280.16/1,039,142.40
  6. Step 6: Final answer
    x = 757,633.25

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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.