Home / 735,569.30-1,015,086.53-413,279.21

Finding the Fourth Proportional to 735,569.30, 1,015,086.53 and 413,279.21

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Solution

The fourth proportional to 735,569.30, 1,015,086.53 and 413,279.21 is: 570,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,569.30 : 1,015,086.53 = 413,279.21 : x
  2. Step 2: Convert to fraction form
    735,569.30/1,015,086.53 = 413,279.21/x
  3. Step 3: Cross multiply
    735,569.30x = 1,015,086.53 × 413,279.21
  4. Step 4: Simplify right side
    735,569.30x = 419,514,159,200.04
  5. Step 5: Solve for x
    x = 419,514,159,200.04/735,569.30
  6. Step 6: Final answer
    x = 570,325.81

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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.