Home / 841,463.82-1,261,260.78-641,123.70

Finding the Fourth Proportional to 841,463.82, 1,261,260.78 and 641,123.70

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Solution

The fourth proportional to 841,463.82, 1,261,260.78 and 641,123.70 is: 960,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,463.82 : 1,261,260.78 = 641,123.70 : x
  2. Step 2: Convert to fraction form
    841,463.82/1,261,260.78 = 641,123.70/x
  3. Step 3: Cross multiply
    841,463.82x = 1,261,260.78 × 641,123.70
  4. Step 4: Simplify right side
    841,463.82x = 808,624,177,938.49
  5. Step 5: Solve for x
    x = 808,624,177,938.49/841,463.82
  6. Step 6: Final answer
    x = 960,973.20

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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.