Home / 649,823.75-896,696.57-359,429.06

Finding the Fourth Proportional to 649,823.75, 896,696.57 and 359,429.06

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Solution

The fourth proportional to 649,823.75, 896,696.57 and 359,429.06 is: 495,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,823.75 : 896,696.57 = 359,429.06 : x
  2. Step 2: Convert to fraction form
    649,823.75/896,696.57 = 359,429.06/x
  3. Step 3: Cross multiply
    649,823.75x = 896,696.57 × 359,429.06
  4. Step 4: Simplify right side
    649,823.75x = 322,298,800,776.84
  5. Step 5: Solve for x
    x = 322,298,800,776.84/649,823.75
  6. Step 6: Final answer
    x = 495,978.80

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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.