Home / 482,942.40-724,413.60-283,358.40

Finding the Fourth Proportional to 482,942.40, 724,413.60 and 283,358.40

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Solution

The fourth proportional to 482,942.40, 724,413.60 and 283,358.40 is: 425,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,942.40 : 724,413.60 = 283,358.40 : x
  2. Step 2: Convert to fraction form
    482,942.40/724,413.60 = 283,358.40/x
  3. Step 3: Cross multiply
    482,942.40x = 724,413.60 × 283,358.40
  4. Step 4: Simplify right side
    482,942.40x = 205,268,678,634.24
  5. Step 5: Solve for x
    x = 205,268,678,634.24/482,942.40
  6. Step 6: Final answer
    x = 425,037.60

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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.