Home / 751,911.65-1,037,703.69-412,445.51

Finding the Fourth Proportional to 751,911.65, 1,037,703.69 and 412,445.51

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Solution

The fourth proportional to 751,911.65, 1,037,703.69 and 412,445.51 is: 569,210.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,911.65 : 1,037,703.69 = 412,445.51 : x
  2. Step 2: Convert to fraction form
    751,911.65/1,037,703.69 = 412,445.51/x
  3. Step 3: Cross multiply
    751,911.65x = 1,037,703.69 × 412,445.51
  4. Step 4: Simplify right side
    751,911.65x = 427,996,227,650.93
  5. Step 5: Solve for x
    x = 427,996,227,650.93/751,911.65
  6. Step 6: Final answer
    x = 569,210.79

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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.