Home / 691,834.68-1,037,666.16-186,435.18

Finding the Fourth Proportional to 691,834.68, 1,037,666.16 and 186,435.18

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Solution

The fourth proportional to 691,834.68, 1,037,666.16 and 186,435.18 is: 279,629.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,834.68 : 1,037,666.16 = 186,435.18 : x
  2. Step 2: Convert to fraction form
    691,834.68/1,037,666.16 = 186,435.18/x
  3. Step 3: Cross multiply
    691,834.68x = 1,037,666.16 × 186,435.18
  4. Step 4: Simplify right side
    691,834.68x = 193,457,477,319.51
  5. Step 5: Solve for x
    x = 193,457,477,319.51/691,834.68
  6. Step 6: Final answer
    x = 279,629.63

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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.