Home / 889,255.76-1,227,058.68-507,259.76

Finding the Fourth Proportional to 889,255.76, 1,227,058.68 and 507,259.76

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Solution

The fourth proportional to 889,255.76, 1,227,058.68 and 507,259.76 is: 699,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,255.76 : 1,227,058.68 = 507,259.76 : x
  2. Step 2: Convert to fraction form
    889,255.76/1,227,058.68 = 507,259.76/x
  3. Step 3: Cross multiply
    889,255.76x = 1,227,058.68 × 507,259.76
  4. Step 4: Simplify right side
    889,255.76x = 622,437,491,522.72
  5. Step 5: Solve for x
    x = 622,437,491,522.72/889,255.76
  6. Step 6: Final answer
    x = 699,953.29

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Double scale
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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.