Home / 516,223.54-712,365.38-286,795.62

Finding the Fourth Proportional to 516,223.54, 712,365.38 and 286,795.62

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Solution

The fourth proportional to 516,223.54, 712,365.38 and 286,795.62 is: 395,765.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,223.54 : 712,365.38 = 286,795.62 : x
  2. Step 2: Convert to fraction form
    516,223.54/712,365.38 = 286,795.62/x
  3. Step 3: Cross multiply
    516,223.54x = 712,365.38 × 286,795.62
  4. Step 4: Simplify right side
    516,223.54x = 204,303,270,823.64
  5. Step 5: Solve for x
    x = 204,303,270,823.64/516,223.54
  6. Step 6: Final answer
    x = 395,765.12

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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.