Home / 505,548.06-697,335.94-384,423.80

Finding the Fourth Proportional to 505,548.06, 697,335.94 and 384,423.80

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Solution

The fourth proportional to 505,548.06, 697,335.94 and 384,423.80 is: 530,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,548.06 : 697,335.94 = 384,423.80 : x
  2. Step 2: Convert to fraction form
    505,548.06/697,335.94 = 384,423.80/x
  3. Step 3: Cross multiply
    505,548.06x = 697,335.94 × 384,423.80
  4. Step 4: Simplify right side
    505,548.06x = 268,072,531,931.37
  5. Step 5: Solve for x
    x = 268,072,531,931.37/505,548.06
  6. Step 6: Final answer
    x = 530,261.22

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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.