Home / 785,611.60-1,178,417.40-194,635.60

Finding the Fourth Proportional to 785,611.60, 1,178,417.40 and 194,635.60

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Solution

The fourth proportional to 785,611.60, 1,178,417.40 and 194,635.60 is: 291,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,611.60 : 1,178,417.40 = 194,635.60 : x
  2. Step 2: Convert to fraction form
    785,611.60/1,178,417.40 = 194,635.60/x
  3. Step 3: Cross multiply
    785,611.60x = 1,178,417.40 × 194,635.60
  4. Step 4: Simplify right side
    785,611.60x = 229,361,977,699.44
  5. Step 5: Solve for x
    x = 229,361,977,699.44/785,611.60
  6. Step 6: Final answer
    x = 291,953.40

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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.