Home / 649,298.18-896,120.49-373,650.36

Finding the Fourth Proportional to 649,298.18, 896,120.49 and 373,650.36

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Solution

The fourth proportional to 649,298.18, 896,120.49 and 373,650.36 is: 515,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,298.18 : 896,120.49 = 373,650.36 : x
  2. Step 2: Convert to fraction form
    649,298.18/896,120.49 = 373,650.36/x
  3. Step 3: Cross multiply
    649,298.18x = 896,120.49 × 373,650.36
  4. Step 4: Simplify right side
    649,298.18x = 334,835,743,691.88
  5. Step 5: Solve for x
    x = 334,835,743,691.88/649,298.18
  6. Step 6: Final answer
    x = 515,688.71

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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.