Home / 1,131,132.08-1,697,507.60-411,472.38

Finding the Fourth Proportional to 1,131,132.08, 1,697,507.60 and 411,472.38

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Solution

The fourth proportional to 1,131,132.08, 1,697,507.60 and 411,472.38 is: 617,503.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,132.08 : 1,697,507.60 = 411,472.38 : x
  2. Step 2: Convert to fraction form
    1,131,132.08/1,697,507.60 = 411,472.38/x
  3. Step 3: Cross multiply
    1,131,132.08x = 1,697,507.60 × 411,472.38
  4. Step 4: Simplify right side
    1,131,132.08x = 698,477,490,182.73
  5. Step 5: Solve for x
    x = 698,477,490,182.73/1,131,132.08
  6. Step 6: Final answer
    x = 617,503.04

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.