Home / 692,943.86-1,039,452.45-219,666.13

Finding the Fourth Proportional to 692,943.86, 1,039,452.45 and 219,666.13

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Solution

The fourth proportional to 692,943.86, 1,039,452.45 and 219,666.13 is: 329,510.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,943.86 : 1,039,452.45 = 219,666.13 : x
  2. Step 2: Convert to fraction form
    692,943.86/1,039,452.45 = 219,666.13/x
  3. Step 3: Cross multiply
    692,943.86x = 1,039,452.45 × 219,666.13
  4. Step 4: Simplify right side
    692,943.86x = 228,332,493,588.14
  5. Step 5: Solve for x
    x = 228,332,493,588.14/692,943.86
  6. Step 6: Final answer
    x = 329,510.81

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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.