Home / 837,809.93-1,156,143.16-455,838.23

Finding the Fourth Proportional to 837,809.93, 1,156,143.16 and 455,838.23

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Solution

The fourth proportional to 837,809.93, 1,156,143.16 and 455,838.23 is: 629,037.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,809.93 : 1,156,143.16 = 455,838.23 : x
  2. Step 2: Convert to fraction form
    837,809.93/1,156,143.16 = 455,838.23/x
  3. Step 3: Cross multiply
    837,809.93x = 1,156,143.16 × 455,838.23
  4. Step 4: Simplify right side
    837,809.93x = 527,014,251,681.01
  5. Step 5: Solve for x
    x = 527,014,251,681.01/837,809.93
  6. Step 6: Final answer
    x = 629,037.96

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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.