Home / 656,664.06-906,337.29-414,792.78

Finding the Fourth Proportional to 656,664.06, 906,337.29 and 414,792.78

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Solution

The fourth proportional to 656,664.06, 906,337.29 and 414,792.78 is: 572,503.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,664.06 : 906,337.29 = 414,792.78 : x
  2. Step 2: Convert to fraction form
    656,664.06/906,337.29 = 414,792.78/x
  3. Step 3: Cross multiply
    656,664.06x = 906,337.29 × 414,792.78
  4. Step 4: Simplify right side
    656,664.06x = 375,942,164,136.77
  5. Step 5: Solve for x
    x = 375,942,164,136.77/656,664.06
  6. Step 6: Final answer
    x = 572,503.03

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1.5x scale

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.