Home / 579,848.40-869,772.60-296,413.20

Finding the Fourth Proportional to 579,848.40, 869,772.60 and 296,413.20

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Solution

The fourth proportional to 579,848.40, 869,772.60 and 296,413.20 is: 444,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,848.40 : 869,772.60 = 296,413.20 : x
  2. Step 2: Convert to fraction form
    579,848.40/869,772.60 = 296,413.20/x
  3. Step 3: Cross multiply
    579,848.40x = 869,772.60 × 296,413.20
  4. Step 4: Simplify right side
    579,848.40x = 257,812,079,638.32
  5. Step 5: Solve for x
    x = 257,812,079,638.32/579,848.40
  6. Step 6: Final answer
    x = 444,619.80

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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.