Home / 813,624.06-1,220,152.92-333,715.56

Finding the Fourth Proportional to 813,624.06, 1,220,152.92 and 333,715.56

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Solution

The fourth proportional to 813,624.06, 1,220,152.92 and 333,715.56 is: 500,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,624.06 : 1,220,152.92 = 333,715.56 : x
  2. Step 2: Convert to fraction form
    813,624.06/1,220,152.92 = 333,715.56/x
  3. Step 3: Cross multiply
    813,624.06x = 1,220,152.92 × 333,715.56
  4. Step 4: Simplify right side
    813,624.06x = 407,184,014,983.44
  5. Step 5: Solve for x
    x = 407,184,014,983.44/813,624.06
  6. Step 6: Final answer
    x = 500,457.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.