Home / 640,815.53-961,289.04-241,792.07

Finding the Fourth Proportional to 640,815.53, 961,289.04 and 241,792.07

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Solution

The fourth proportional to 640,815.53, 961,289.04 and 241,792.07 is: 362,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,815.53 : 961,289.04 = 241,792.07 : x
  2. Step 2: Convert to fraction form
    640,815.53/961,289.04 = 241,792.07/x
  3. Step 3: Cross multiply
    640,815.53x = 961,289.04 × 241,792.07
  4. Step 4: Simplify right side
    640,815.53x = 232,432,066,849.91
  5. Step 5: Solve for x
    x = 232,432,066,849.91/640,815.53
  6. Step 6: Final answer
    x = 362,712.91

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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.