Home / 745,342.44-1,116,570.24-446,058.78

Finding the Fourth Proportional to 745,342.44, 1,116,570.24 and 446,058.78

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Solution

The fourth proportional to 745,342.44, 1,116,570.24 and 446,058.78 is: 668,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,342.44 : 1,116,570.24 = 446,058.78 : x
  2. Step 2: Convert to fraction form
    745,342.44/1,116,570.24 = 446,058.78/x
  3. Step 3: Cross multiply
    745,342.44x = 1,116,570.24 × 446,058.78
  4. Step 4: Simplify right side
    745,342.44x = 498,055,959,038.71
  5. Step 5: Solve for x
    x = 498,055,959,038.71/745,342.44
  6. Step 6: Final answer
    x = 668,224.34

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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.