Home / 505,546.06-697,333.18-384,421.80

Finding the Fourth Proportional to 505,546.06, 697,333.18 and 384,421.80

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Solution

The fourth proportional to 505,546.06, 697,333.18 and 384,421.80 is: 530,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,546.06 : 697,333.18 = 384,421.80 : x
  2. Step 2: Convert to fraction form
    505,546.06/697,333.18 = 384,421.80/x
  3. Step 3: Cross multiply
    505,546.06x = 697,333.18 × 384,421.80
  4. Step 4: Simplify right side
    505,546.06x = 268,070,076,255.32
  5. Step 5: Solve for x
    x = 268,070,076,255.32/505,546.06
  6. Step 6: Final answer
    x = 530,258.46

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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.