Home / 766,805.31-1,058,186.63-417,945.35

Finding the Fourth Proportional to 766,805.31, 1,058,186.63 and 417,945.35

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Solution

The fourth proportional to 766,805.31, 1,058,186.63 and 417,945.35 is: 576,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,805.31 : 1,058,186.63 = 417,945.35 : x
  2. Step 2: Convert to fraction form
    766,805.31/1,058,186.63 = 417,945.35/x
  3. Step 3: Cross multiply
    766,805.31x = 1,058,186.63 × 417,945.35
  4. Step 4: Simplify right side
    766,805.31x = 442,264,174,060.01
  5. Step 5: Solve for x
    x = 442,264,174,060.01/766,805.31
  6. Step 6: Final answer
    x = 576,762.01

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1.5x scale

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.