Home / 968,949.81-1,337,140.98-539,222.67

Finding the Fourth Proportional to 968,949.81, 1,337,140.98 and 539,222.67

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Solution

The fourth proportional to 968,949.81, 1,337,140.98 and 539,222.67 is: 744,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,949.81 : 1,337,140.98 = 539,222.67 : x
  2. Step 2: Convert to fraction form
    968,949.81/1,337,140.98 = 539,222.67/x
  3. Step 3: Cross multiply
    968,949.81x = 1,337,140.98 × 539,222.67
  4. Step 4: Simplify right side
    968,949.81x = 721,016,729,402.02
  5. Step 5: Solve for x
    x = 721,016,729,402.02/968,949.81
  6. Step 6: Final answer
    x = 744,121.85

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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.