Home / 697,515.17-1,043,553.43-611,442.75

Finding the Fourth Proportional to 697,515.17, 1,043,553.43 and 611,442.75

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Solution

The fourth proportional to 697,515.17, 1,043,553.43 and 611,442.75 is: 914,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,515.17 : 1,043,553.43 = 611,442.75 : x
  2. Step 2: Convert to fraction form
    697,515.17/1,043,553.43 = 611,442.75/x
  3. Step 3: Cross multiply
    697,515.17x = 1,043,553.43 × 611,442.75
  4. Step 4: Simplify right side
    697,515.17x = 638,073,175,953.92
  5. Step 5: Solve for x
    x = 638,073,175,953.92/697,515.17
  6. Step 6: Final answer
    x = 914,780.36

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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.