Home / 735,586.30-1,015,109.99-413,296.21

Finding the Fourth Proportional to 735,586.30, 1,015,109.99 and 413,296.21

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Solution

The fourth proportional to 735,586.30, 1,015,109.99 and 413,296.21 is: 570,349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,586.30 : 1,015,109.99 = 413,296.21 : x
  2. Step 2: Convert to fraction form
    735,586.30/1,015,109.99 = 413,296.21/x
  3. Step 3: Cross multiply
    735,586.30x = 1,015,109.99 × 413,296.21
  4. Step 4: Simplify right side
    735,586.30x = 419,541,111,600.14
  5. Step 5: Solve for x
    x = 419,541,111,600.14/735,586.30
  6. Step 6: Final answer
    x = 570,349.27

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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.