Home / 684,459.18-944,680.03-439,749.84

Finding the Fourth Proportional to 684,459.18, 944,680.03 and 439,749.84

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Solution

The fourth proportional to 684,459.18, 944,680.03 and 439,749.84 is: 606,935.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,459.18 : 944,680.03 = 439,749.84 : x
  2. Step 2: Convert to fraction form
    684,459.18/944,680.03 = 439,749.84/x
  3. Step 3: Cross multiply
    684,459.18x = 944,680.03 × 439,749.84
  4. Step 4: Simplify right side
    684,459.18x = 415,422,892,043.70
  5. Step 5: Solve for x
    x = 415,422,892,043.70/684,459.18
  6. Step 6: Final answer
    x = 606,935.96

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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.