Home / 892,612.94-1,339,145.98-413,186.32

Finding the Fourth Proportional to 892,612.94, 1,339,145.98 and 413,186.32

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Solution

The fourth proportional to 892,612.94, 1,339,145.98 and 413,186.32 is: 619,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,612.94 : 1,339,145.98 = 413,186.32 : x
  2. Step 2: Convert to fraction form
    892,612.94/1,339,145.98 = 413,186.32/x
  3. Step 3: Cross multiply
    892,612.94x = 1,339,145.98 × 413,186.32
  4. Step 4: Simplify right side
    892,612.94x = 553,316,799,418.99
  5. Step 5: Solve for x
    x = 553,316,799,418.99/892,612.94
  6. Step 6: Final answer
    x = 619,884.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.