Home / 906,862.60-1,359,905.10-457,409.80

Finding the Fourth Proportional to 906,862.60, 1,359,905.10 and 457,409.80

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Solution

The fourth proportional to 906,862.60, 1,359,905.10 and 457,409.80 is: 685,918.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,862.60 : 1,359,905.10 = 457,409.80 : x
  2. Step 2: Convert to fraction form
    906,862.60/1,359,905.10 = 457,409.80/x
  3. Step 3: Cross multiply
    906,862.60x = 1,359,905.10 × 457,409.80
  4. Step 4: Simplify right side
    906,862.60x = 622,033,919,809.98
  5. Step 5: Solve for x
    x = 622,033,919,809.98/906,862.60
  6. Step 6: Final answer
    x = 685,918.59

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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.