Home / 649,917.76-896,869.72-359,521.75

Finding the Fourth Proportional to 649,917.76, 896,869.72 and 359,521.75

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Solution

The fourth proportional to 649,917.76, 896,869.72 and 359,521.75 is: 496,130.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,917.76 : 896,869.72 = 359,521.75 : x
  2. Step 2: Convert to fraction form
    649,917.76/896,869.72 = 359,521.75/x
  3. Step 3: Cross multiply
    649,917.76x = 896,869.72 × 359,521.75
  4. Step 4: Simplify right side
    649,917.76x = 322,444,171,256.41
  5. Step 5: Solve for x
    x = 322,444,171,256.41/649,917.76
  6. Step 6: Final answer
    x = 496,130.73

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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.