Home / 649,299.18-896,121.88-373,651.38

Finding the Fourth Proportional to 649,299.18, 896,121.88 and 373,651.38

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Solution

The fourth proportional to 649,299.18, 896,121.88 and 373,651.38 is: 515,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,299.18 : 896,121.88 = 373,651.38 : x
  2. Step 2: Convert to fraction form
    649,299.18/896,121.88 = 373,651.38/x
  3. Step 3: Cross multiply
    649,299.18x = 896,121.88 × 373,651.38
  4. Step 4: Simplify right side
    649,299.18x = 334,837,177,110.19
  5. Step 5: Solve for x
    x = 334,837,177,110.19/649,299.18
  6. Step 6: Final answer
    x = 515,690.13

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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.