Home / 579,530.40-869,295.60-296,095.20

Finding the Fourth Proportional to 579,530.40, 869,295.60 and 296,095.20

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Solution

The fourth proportional to 579,530.40, 869,295.60 and 296,095.20 is: 444,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,530.40 : 869,295.60 = 296,095.20 : x
  2. Step 2: Convert to fraction form
    579,530.40/869,295.60 = 296,095.20/x
  3. Step 3: Cross multiply
    579,530.40x = 869,295.60 × 296,095.20
  4. Step 4: Simplify right side
    579,530.40x = 257,394,254,541.12
  5. Step 5: Solve for x
    x = 257,394,254,541.12/579,530.40
  6. Step 6: Final answer
    x = 444,142.80

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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.