Home / 741,142.02-1,111,492.53-314,671.56

Finding the Fourth Proportional to 741,142.02, 1,111,492.53 and 314,671.56

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Solution

The fourth proportional to 741,142.02, 1,111,492.53 and 314,671.56 is: 471,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,142.02 : 1,111,492.53 = 314,671.56 : x
  2. Step 2: Convert to fraction form
    741,142.02/1,111,492.53 = 314,671.56/x
  3. Step 3: Cross multiply
    741,142.02x = 1,111,492.53 × 314,671.56
  4. Step 4: Simplify right side
    741,142.02x = 349,755,088,343.45
  5. Step 5: Solve for x
    x = 349,755,088,343.45/741,142.02
  6. Step 6: Final answer
    x = 471,913.72

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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.