Home / 837,261.01-1,155,384.97-474,709.20

Finding the Fourth Proportional to 837,261.01, 1,155,384.97 and 474,709.20

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Solution

The fourth proportional to 837,261.01, 1,155,384.97 and 474,709.20 is: 655,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,261.01 : 1,155,384.97 = 474,709.20 : x
  2. Step 2: Convert to fraction form
    837,261.01/1,155,384.97 = 474,709.20/x
  3. Step 3: Cross multiply
    837,261.01x = 1,155,384.97 × 474,709.20
  4. Step 4: Simplify right side
    837,261.01x = 548,471,874,800.72
  5. Step 5: Solve for x
    x = 548,471,874,800.72/837,261.01
  6. Step 6: Final answer
    x = 655,078.72

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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.