Home / 889,254.76-1,227,057.30-507,258.76

Finding the Fourth Proportional to 889,254.76, 1,227,057.30 and 507,258.76

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Solution

The fourth proportional to 889,254.76, 1,227,057.30 and 507,258.76 is: 699,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,254.76 : 1,227,057.30 = 507,258.76 : x
  2. Step 2: Convert to fraction form
    889,254.76/1,227,057.30 = 507,258.76/x
  3. Step 3: Cross multiply
    889,254.76x = 1,227,057.30 × 507,258.76
  4. Step 4: Simplify right side
    889,254.76x = 622,435,564,446.95
  5. Step 5: Solve for x
    x = 622,435,564,446.95/889,254.76
  6. Step 6: Final answer
    x = 699,951.91

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Half scale
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Double scale
Find fourth proportional to 889,255.76, 1,227,058.68 and 507,259.76
Similar ratio
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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.