Home / 814,006.13-1,123,328.45-451,485.50

Finding the Fourth Proportional to 814,006.13, 1,123,328.45 and 451,485.50

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Solution

The fourth proportional to 814,006.13, 1,123,328.45 and 451,485.50 is: 623,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,006.13 : 1,123,328.45 = 451,485.50 : x
  2. Step 2: Convert to fraction form
    814,006.13/1,123,328.45 = 451,485.50/x
  3. Step 3: Cross multiply
    814,006.13x = 1,123,328.45 × 451,485.50
  4. Step 4: Simplify right side
    814,006.13x = 507,166,502,424.55
  5. Step 5: Solve for x
    x = 507,166,502,424.55/814,006.13
  6. Step 6: Final answer
    x = 623,049.98

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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.