Home / 516,312.19-774,167.58-200,400.04

Finding the Fourth Proportional to 516,312.19, 774,167.58 and 200,400.04

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Solution

The fourth proportional to 516,312.19, 774,167.58 and 200,400.04 is: 300,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,312.19 : 774,167.58 = 200,400.04 : x
  2. Step 2: Convert to fraction form
    516,312.19/774,167.58 = 200,400.04/x
  3. Step 3: Cross multiply
    516,312.19x = 774,167.58 × 200,400.04
  4. Step 4: Simplify right side
    516,312.19x = 155,143,213,998.70
  5. Step 5: Solve for x
    x = 155,143,213,998.70/516,312.19
  6. Step 6: Final answer
    x = 300,483.35

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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.