Home / 904,505.07-1,248,219.51-496,633.34

Finding the Fourth Proportional to 904,505.07, 1,248,219.51 and 496,633.34

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Solution

The fourth proportional to 904,505.07, 1,248,219.51 and 496,633.34 is: 685,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,505.07 : 1,248,219.51 = 496,633.34 : x
  2. Step 2: Convert to fraction form
    904,505.07/1,248,219.51 = 496,633.34/x
  3. Step 3: Cross multiply
    904,505.07x = 1,248,219.51 × 496,633.34
  4. Step 4: Simplify right side
    904,505.07x = 619,907,418,063.37
  5. Step 5: Solve for x
    x = 619,907,418,063.37/904,505.07
  6. Step 6: Final answer
    x = 685,355.38

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.