Home / 516,301.20-712,101.36-373,533.84

Finding the Fourth Proportional to 516,301.20, 712,101.36 and 373,533.84

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Solution

The fourth proportional to 516,301.20, 712,101.36 and 373,533.84 is: 515,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,301.20 : 712,101.36 = 373,533.84 : x
  2. Step 2: Convert to fraction form
    516,301.20/712,101.36 = 373,533.84/x
  3. Step 3: Cross multiply
    516,301.20x = 712,101.36 × 373,533.84
  4. Step 4: Simplify right side
    516,301.20x = 265,993,955,470.02
  5. Step 5: Solve for x
    x = 265,993,955,470.02/516,301.20
  6. Step 6: Final answer
    x = 515,191.43

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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.