Home / 839,161.50-1,258,941.51-278,196

Finding the Fourth Proportional to 839,161.50, 1,258,941.51 and 278,196

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Solution

The fourth proportional to 839,161.50, 1,258,941.51 and 278,196 is: 417,360.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,161.50 : 1,258,941.51 = 278,196 : x
  2. Step 2: Convert to fraction form
    839,161.50/1,258,941.51 = 278,196/x
  3. Step 3: Cross multiply
    839,161.50x = 1,258,941.51 × 278,196
  4. Step 4: Simplify right side
    839,161.50x = 350,232,492,315.96
  5. Step 5: Solve for x
    x = 350,232,492,315.96/839,161.50
  6. Step 6: Final answer
    x = 417,360.06

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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.