Home / 767,064.43-1,058,109.98-480,086.29

Finding the Fourth Proportional to 767,064.43, 1,058,109.98 and 480,086.29

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Solution

The fourth proportional to 767,064.43, 1,058,109.98 and 480,086.29 is: 662,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,064.43 : 1,058,109.98 = 480,086.29 : x
  2. Step 2: Convert to fraction form
    767,064.43/1,058,109.98 = 480,086.29/x
  3. Step 3: Cross multiply
    767,064.43x = 1,058,109.98 × 480,086.29
  4. Step 4: Simplify right side
    767,064.43x = 507,984,094,710.17
  5. Step 5: Solve for x
    x = 507,984,094,710.17/767,064.43
  6. Step 6: Final answer
    x = 662,244.36

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Double scale
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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.