Home / 411,904.47-616,741.64-291,466.38

Finding the Fourth Proportional to 411,904.47, 616,741.64 and 291,466.38

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Solution

The fourth proportional to 411,904.47, 616,741.64 and 291,466.38 is: 436,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,904.47 : 616,741.64 = 291,466.38 : x
  2. Step 2: Convert to fraction form
    411,904.47/616,741.64 = 291,466.38/x
  3. Step 3: Cross multiply
    411,904.47x = 616,741.64 × 291,466.38
  4. Step 4: Simplify right side
    411,904.47x = 179,759,455,154.51
  5. Step 5: Solve for x
    x = 179,759,455,154.51/411,904.47
  6. Step 6: Final answer
    x = 436,410.54

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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.