Home / 691,547.75-1,037,228.19-186,139.06

Finding the Fourth Proportional to 691,547.75, 1,037,228.19 and 186,139.06

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Solution

The fourth proportional to 691,547.75, 1,037,228.19 and 186,139.06 is: 279,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,547.75 : 1,037,228.19 = 186,139.06 : x
  2. Step 2: Convert to fraction form
    691,547.75/1,037,228.19 = 186,139.06/x
  3. Step 3: Cross multiply
    691,547.75x = 1,037,228.19 × 186,139.06
  4. Step 4: Simplify right side
    691,547.75x = 193,068,678,397.05
  5. Step 5: Solve for x
    x = 193,068,678,397.05/691,547.75
  6. Step 6: Final answer
    x = 279,183.44

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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.