Home / 738,498.22-1,019,145.58-411,808.04

Finding the Fourth Proportional to 738,498.22, 1,019,145.58 and 411,808.04

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Solution

The fourth proportional to 738,498.22, 1,019,145.58 and 411,808.04 is: 568,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,498.22 : 1,019,145.58 = 411,808.04 : x
  2. Step 2: Convert to fraction form
    738,498.22/1,019,145.58 = 411,808.04/x
  3. Step 3: Cross multiply
    738,498.22x = 1,019,145.58 × 411,808.04
  4. Step 4: Simplify right side
    738,498.22x = 419,692,343,774.46
  5. Step 5: Solve for x
    x = 419,692,343,774.46/738,498.22
  6. Step 6: Final answer
    x = 568,305.15

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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.