Home / 649,299.16-896,121.86-373,651.36

Finding the Fourth Proportional to 649,299.16, 896,121.86 and 373,651.36

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Solution

The fourth proportional to 649,299.16, 896,121.86 and 373,651.36 is: 515,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,299.16 : 896,121.86 = 373,651.36 : x
  2. Step 2: Convert to fraction form
    649,299.16/896,121.86 = 373,651.36/x
  3. Step 3: Cross multiply
    649,299.16x = 896,121.86 × 373,651.36
  4. Step 4: Simplify right side
    649,299.16x = 334,837,151,714.73
  5. Step 5: Solve for x
    x = 334,837,151,714.73/649,299.16
  6. Step 6: Final answer
    x = 515,690.10

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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.