Home / 907,554.20-1,361,331.30-655,611.80

Finding the Fourth Proportional to 907,554.20, 1,361,331.30 and 655,611.80

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Solution

The fourth proportional to 907,554.20, 1,361,331.30 and 655,611.80 is: 983,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,554.20 : 1,361,331.30 = 655,611.80 : x
  2. Step 2: Convert to fraction form
    907,554.20/1,361,331.30 = 655,611.80/x
  3. Step 3: Cross multiply
    907,554.20x = 1,361,331.30 × 655,611.80
  4. Step 4: Simplify right side
    907,554.20x = 892,504,863,989.34
  5. Step 5: Solve for x
    x = 892,504,863,989.34/907,554.20
  6. Step 6: Final answer
    x = 983,417.70

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Double scale
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Similar ratio
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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.