Home / 904,033.67-1,355,894.57-255,655.15

Finding the Fourth Proportional to 904,033.67, 1,355,894.57 and 255,655.15

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Solution

The fourth proportional to 904,033.67, 1,355,894.57 and 255,655.15 is: 383,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,033.67 : 1,355,894.57 = 255,655.15 : x
  2. Step 2: Convert to fraction form
    904,033.67/1,355,894.57 = 255,655.15/x
  3. Step 3: Cross multiply
    904,033.67x = 1,355,894.57 × 255,655.15
  4. Step 4: Simplify right side
    904,033.67x = 346,641,429,677.54
  5. Step 5: Solve for x
    x = 346,641,429,677.54/904,033.67
  6. Step 6: Final answer
    x = 383,438.63

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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.