Home / 904,838.39-1,357,256.44-230,919.71

Finding the Fourth Proportional to 904,838.39, 1,357,256.44 and 230,919.71

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Solution

The fourth proportional to 904,838.39, 1,357,256.44 and 230,919.71 is: 346,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,838.39 : 1,357,256.44 = 230,919.71 : x
  2. Step 2: Convert to fraction form
    904,838.39/1,357,256.44 = 230,919.71/x
  3. Step 3: Cross multiply
    904,838.39x = 1,357,256.44 × 230,919.71
  4. Step 4: Simplify right side
    904,838.39x = 313,417,255,579.55
  5. Step 5: Solve for x
    x = 313,417,255,579.55/904,838.39
  6. Step 6: Final answer
    x = 346,379.26

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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.