Home / 356,616.36-531,736.29-346,818.60

Finding the Fourth Proportional to 356,616.36, 531,736.29 and 346,818.60

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Solution

The fourth proportional to 356,616.36, 531,736.29 and 346,818.60 is: 517,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,616.36 : 531,736.29 = 346,818.60 : x
  2. Step 2: Convert to fraction form
    356,616.36/531,736.29 = 346,818.60/x
  3. Step 3: Cross multiply
    356,616.36x = 531,736.29 × 346,818.60
  4. Step 4: Simplify right side
    356,616.36x = 184,416,035,666.99
  5. Step 5: Solve for x
    x = 184,416,035,666.99/356,616.36
  6. Step 6: Final answer
    x = 517,127.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.