Home / 649,298.67-896,121.18-373,650.87

Finding the Fourth Proportional to 649,298.67, 896,121.18 and 373,650.87

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Solution

The fourth proportional to 649,298.67, 896,121.18 and 373,650.87 is: 515,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,298.67 : 896,121.18 = 373,650.87 : x
  2. Step 2: Convert to fraction form
    649,298.67/896,121.18 = 373,650.87/x
  3. Step 3: Cross multiply
    649,298.67x = 896,121.18 × 373,650.87
  4. Step 4: Simplify right side
    649,298.67x = 334,836,458,532.43
  5. Step 5: Solve for x
    x = 334,836,458,532.43/649,298.67
  6. Step 6: Final answer
    x = 515,689.43

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Double scale
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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.