Home / 516,362.08-712,578.24-286,918.42

Finding the Fourth Proportional to 516,362.08, 712,578.24 and 286,918.42

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Solution

The fourth proportional to 516,362.08, 712,578.24 and 286,918.42 is: 395,946.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,362.08 : 712,578.24 = 286,918.42 : x
  2. Step 2: Convert to fraction form
    516,362.08/712,578.24 = 286,918.42/x
  3. Step 3: Cross multiply
    516,362.08x = 712,578.24 × 286,918.42
  4. Step 4: Simplify right side
    516,362.08x = 204,451,822,747.18
  5. Step 5: Solve for x
    x = 204,451,822,747.18/516,362.08
  6. Step 6: Final answer
    x = 395,946.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.