Home / 814,031.36-1,123,430.52-451,572.08

Finding the Fourth Proportional to 814,031.36, 1,123,430.52 and 451,572.08

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Solution

The fourth proportional to 814,031.36, 1,123,430.52 and 451,572.08 is: 623,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,031.36 : 1,123,430.52 = 451,572.08 : x
  2. Step 2: Convert to fraction form
    814,031.36/1,123,430.52 = 451,572.08/x
  3. Step 3: Cross multiply
    814,031.36x = 1,123,430.52 × 451,572.08
  4. Step 4: Simplify right side
    814,031.36x = 507,309,856,651.88
  5. Step 5: Solve for x
    x = 507,309,856,651.88/814,031.36
  6. Step 6: Final answer
    x = 623,206.77

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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.