Home / 974,183.60-1,344,315.42-538,574.87

Finding the Fourth Proportional to 974,183.60, 1,344,315.42 and 538,574.87

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Solution

The fourth proportional to 974,183.60, 1,344,315.42 and 538,574.87 is: 743,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,183.60 : 1,344,315.42 = 538,574.87 : x
  2. Step 2: Convert to fraction form
    974,183.60/1,344,315.42 = 538,574.87/x
  3. Step 3: Cross multiply
    974,183.60x = 1,344,315.42 × 538,574.87
  4. Step 4: Simplify right side
    974,183.60x = 724,014,495,843.92
  5. Step 5: Solve for x
    x = 724,014,495,843.92/974,183.60
  6. Step 6: Final answer
    x = 743,201.28

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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.