Home / 578,712.80-868,069.20-366,136.40

Finding the Fourth Proportional to 578,712.80, 868,069.20 and 366,136.40

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Solution

The fourth proportional to 578,712.80, 868,069.20 and 366,136.40 is: 549,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,712.80 : 868,069.20 = 366,136.40 : x
  2. Step 2: Convert to fraction form
    578,712.80/868,069.20 = 366,136.40/x
  3. Step 3: Cross multiply
    578,712.80x = 868,069.20 × 366,136.40
  4. Step 4: Simplify right side
    578,712.80x = 317,831,731,838.88
  5. Step 5: Solve for x
    x = 317,831,731,838.88/578,712.80
  6. Step 6: Final answer
    x = 549,204.60

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Similar ratio
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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.