Home / 579,611.60-869,417.40-180,277.60

Finding the Fourth Proportional to 579,611.60, 869,417.40 and 180,277.60

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Solution

The fourth proportional to 579,611.60, 869,417.40 and 180,277.60 is: 270,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,611.60 : 869,417.40 = 180,277.60 : x
  2. Step 2: Convert to fraction form
    579,611.60/869,417.40 = 180,277.60/x
  3. Step 3: Cross multiply
    579,611.60x = 869,417.40 × 180,277.60
  4. Step 4: Simplify right side
    579,611.60x = 156,736,482,270.24
  5. Step 5: Solve for x
    x = 156,736,482,270.24/579,611.60
  6. Step 6: Final answer
    x = 270,416.40

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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.