Home / 904,105.73-1,247,742.48-496,276.64

Finding the Fourth Proportional to 904,105.73, 1,247,742.48 and 496,276.64

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Solution

The fourth proportional to 904,105.73, 1,247,742.48 and 496,276.64 is: 684,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,105.73 : 1,247,742.48 = 496,276.64 : x
  2. Step 2: Convert to fraction form
    904,105.73/1,247,742.48 = 496,276.64/x
  3. Step 3: Cross multiply
    904,105.73x = 1,247,742.48 × 496,276.64
  4. Step 4: Simplify right side
    904,105.73x = 619,225,445,559.67
  5. Step 5: Solve for x
    x = 619,225,445,559.67/904,105.73
  6. Step 6: Final answer
    x = 684,903.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.