Home / 1,692,076-2,538,183.12-429,936.16

Finding the Fourth Proportional to 1,692,076, 2,538,183.12 and 429,936.16

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Solution

The fourth proportional to 1,692,076, 2,538,183.12 and 429,936.16 is: 644,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,076 : 2,538,183.12 = 429,936.16 : x
  2. Step 2: Convert to fraction form
    1,692,076/2,538,183.12 = 429,936.16/x
  3. Step 3: Cross multiply
    1,692,076x = 2,538,183.12 × 429,936.16
  4. Step 4: Simplify right side
    1,692,076x = 1,091,256,703,989.62
  5. Step 5: Solve for x
    x = 1,091,256,703,989.62/1,692,076
  6. Step 6: Final answer
    x = 644,921.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.