Home / 814,029.80-1,123,430.13-451,570.44

Finding the Fourth Proportional to 814,029.80, 1,123,430.13 and 451,570.44

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Solution

The fourth proportional to 814,029.80, 1,123,430.13 and 451,570.44 is: 623,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,029.80 : 1,123,430.13 = 451,570.44 : x
  2. Step 2: Convert to fraction form
    814,029.80/1,123,430.13 = 451,570.44/x
  3. Step 3: Cross multiply
    814,029.80x = 1,123,430.13 × 451,570.44
  4. Step 4: Simplify right side
    814,029.80x = 507,307,842,326.22
  5. Step 5: Solve for x
    x = 507,307,842,326.22/814,029.80
  6. Step 6: Final answer
    x = 623,205.50

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Double scale
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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.