Home / 738,680.04-1,019,465.51-412,044.50

Finding the Fourth Proportional to 738,680.04, 1,019,465.51 and 412,044.50

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Solution

The fourth proportional to 738,680.04, 1,019,465.51 and 412,044.50 is: 568,669.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,680.04 : 1,019,465.51 = 412,044.50 : x
  2. Step 2: Convert to fraction form
    738,680.04/1,019,465.51 = 412,044.50/x
  3. Step 3: Cross multiply
    738,680.04x = 1,019,465.51 × 412,044.50
  4. Step 4: Simplify right side
    738,680.04x = 420,065,156,335.20
  5. Step 5: Solve for x
    x = 420,065,156,335.20/738,680.04
  6. Step 6: Final answer
    x = 568,669.97

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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.