Home / 766,718.02-1,058,078.02-422,566.22

Finding the Fourth Proportional to 766,718.02, 1,058,078.02 and 422,566.22

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Solution

The fourth proportional to 766,718.02, 1,058,078.02 and 422,566.22 is: 583,145.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,718.02 : 1,058,078.02 = 422,566.22 : x
  2. Step 2: Convert to fraction form
    766,718.02/1,058,078.02 = 422,566.22/x
  3. Step 3: Cross multiply
    766,718.02x = 1,058,078.02 × 422,566.22
  4. Step 4: Simplify right side
    766,718.02x = 447,108,029,376.48
  5. Step 5: Solve for x
    x = 447,108,029,376.48/766,718.02
  6. Step 6: Final answer
    x = 583,145.33

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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.