Home / 766,805.34-1,058,186.61-417,945.36

Finding the Fourth Proportional to 766,805.34, 1,058,186.61 and 417,945.36

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Solution

The fourth proportional to 766,805.34, 1,058,186.61 and 417,945.36 is: 576,762.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,805.34 : 1,058,186.61 = 417,945.36 : x
  2. Step 2: Convert to fraction form
    766,805.34/1,058,186.61 = 417,945.36/x
  3. Step 3: Cross multiply
    766,805.34x = 1,058,186.61 × 417,945.36
  4. Step 4: Simplify right side
    766,805.34x = 442,264,183,663.63
  5. Step 5: Solve for x
    x = 442,264,183,663.63/766,805.34
  6. Step 6: Final answer
    x = 576,762.00

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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.