Home / 684,900.41-945,427.50-613,155.87

Finding the Fourth Proportional to 684,900.41, 945,427.50 and 613,155.87

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Solution

The fourth proportional to 684,900.41, 945,427.50 and 613,155.87 is: 846,392.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,900.41 : 945,427.50 = 613,155.87 : x
  2. Step 2: Convert to fraction form
    684,900.41/945,427.50 = 613,155.87/x
  3. Step 3: Cross multiply
    684,900.41x = 945,427.50 × 613,155.87
  4. Step 4: Simplify right side
    684,900.41x = 579,694,421,284.43
  5. Step 5: Solve for x
    x = 579,694,421,284.43/684,900.41
  6. Step 6: Final answer
    x = 846,392.29

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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.