Home / 660,771.10-911,833.28-374,293.23

Finding the Fourth Proportional to 660,771.10, 911,833.28 and 374,293.23

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Solution

The fourth proportional to 660,771.10, 911,833.28 and 374,293.23 is: 516,507.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,771.10 : 911,833.28 = 374,293.23 : x
  2. Step 2: Convert to fraction form
    660,771.10/911,833.28 = 374,293.23/x
  3. Step 3: Cross multiply
    660,771.10x = 911,833.28 × 374,293.23
  4. Step 4: Simplify right side
    660,771.10x = 341,293,023,592.69
  5. Step 5: Solve for x
    x = 341,293,023,592.69/660,771.10
  6. Step 6: Final answer
    x = 516,507.19

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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.