Home / 1,121,153.54-1,547,170.29-611,859.56

Finding the Fourth Proportional to 1,121,153.54, 1,547,170.29 and 611,859.56

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Solution

The fourth proportional to 1,121,153.54, 1,547,170.29 and 611,859.56 is: 844,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,153.54 : 1,547,170.29 = 611,859.56 : x
  2. Step 2: Convert to fraction form
    1,121,153.54/1,547,170.29 = 611,859.56/x
  3. Step 3: Cross multiply
    1,121,153.54x = 1,547,170.29 × 611,859.56
  4. Step 4: Simplify right side
    1,121,153.54x = 946,650,925,148.62
  5. Step 5: Solve for x
    x = 946,650,925,148.62/1,121,153.54
  6. Step 6: Final answer
    x = 844,354.40

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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.