Home / 691,913.48-954,840.18-373,961.48

Finding the Fourth Proportional to 691,913.48, 954,840.18 and 373,961.48

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Solution

The fourth proportional to 691,913.48, 954,840.18 and 373,961.48 is: 516,066.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,913.48 : 954,840.18 = 373,961.48 : x
  2. Step 2: Convert to fraction form
    691,913.48/954,840.18 = 373,961.48/x
  3. Step 3: Cross multiply
    691,913.48x = 954,840.18 × 373,961.48
  4. Step 4: Simplify right side
    691,913.48x = 357,073,446,876.27
  5. Step 5: Solve for x
    x = 357,073,446,876.27/691,913.48
  6. Step 6: Final answer
    x = 516,066.61

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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.