Home / 649,811.34-974,360.16-200,407.50

Finding the Fourth Proportional to 649,811.34, 974,360.16 and 200,407.50

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Solution

The fourth proportional to 649,811.34, 974,360.16 and 200,407.50 is: 300,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,811.34 : 974,360.16 = 200,407.50 : x
  2. Step 2: Convert to fraction form
    649,811.34/974,360.16 = 200,407.50/x
  3. Step 3: Cross multiply
    649,811.34x = 974,360.16 × 200,407.50
  4. Step 4: Simplify right side
    649,811.34x = 195,269,083,765.20
  5. Step 5: Solve for x
    x = 195,269,083,765.20/649,811.34
  6. Step 6: Final answer
    x = 300,501.19

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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.