Home / 696,861.42-962,081.00-438,959.45

Finding the Fourth Proportional to 696,861.42, 962,081.00 and 438,959.45

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Solution

The fourth proportional to 696,861.42, 962,081.00 and 438,959.45 is: 606,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,861.42 : 962,081.00 = 438,959.45 : x
  2. Step 2: Convert to fraction form
    696,861.42/962,081.00 = 438,959.45/x
  3. Step 3: Cross multiply
    696,861.42x = 962,081.00 × 438,959.45
  4. Step 4: Simplify right side
    696,861.42x = 422,314,539,610.25
  5. Step 5: Solve for x
    x = 422,314,539,610.25/696,861.42
  6. Step 6: Final answer
    x = 606,023.70

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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.