Home / 904,117.80-1,355,312.70-335,346.60

Finding the Fourth Proportional to 904,117.80, 1,355,312.70 and 335,346.60

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Solution

The fourth proportional to 904,117.80, 1,355,312.70 and 335,346.60 is: 502,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,117.80 : 1,355,312.70 = 335,346.60 : x
  2. Step 2: Convert to fraction form
    904,117.80/1,355,312.70 = 335,346.60/x
  3. Step 3: Cross multiply
    904,117.80x = 1,355,312.70 × 335,346.60
  4. Step 4: Simplify right side
    904,117.80x = 454,499,505,881.82
  5. Step 5: Solve for x
    x = 454,499,505,881.82/904,117.80
  6. Step 6: Final answer
    x = 502,699.43

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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.