Home / 1,199,161.20-1,798,511.40-357,740.40

Finding the Fourth Proportional to 1,199,161.20, 1,798,511.40 and 357,740.40

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Solution

The fourth proportional to 1,199,161.20, 1,798,511.40 and 357,740.40 is: 536,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,161.20 : 1,798,511.40 = 357,740.40 : x
  2. Step 2: Convert to fraction form
    1,199,161.20/1,798,511.40 = 357,740.40/x
  3. Step 3: Cross multiply
    1,199,161.20x = 1,798,511.40 × 357,740.40
  4. Step 4: Simplify right side
    1,199,161.20x = 643,400,187,640.56
  5. Step 5: Solve for x
    x = 643,400,187,640.56/1,199,161.20
  6. Step 6: Final answer
    x = 536,541.87

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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.