Home / 640,819.04-961,294.28-241,795.56

Finding the Fourth Proportional to 640,819.04, 961,294.28 and 241,795.56

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Solution

The fourth proportional to 640,819.04, 961,294.28 and 241,795.56 is: 362,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,819.04 : 961,294.28 = 241,795.56 : x
  2. Step 2: Convert to fraction form
    640,819.04/961,294.28 = 241,795.56/x
  3. Step 3: Cross multiply
    640,819.04x = 961,294.28 × 241,795.56
  4. Step 4: Simplify right side
    640,819.04x = 232,436,688,757.40
  5. Step 5: Solve for x
    x = 232,436,688,757.40/640,819.04
  6. Step 6: Final answer
    x = 362,718.14

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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.