Home / 690,757.02-953,274.12-384,833.22

Finding the Fourth Proportional to 690,757.02, 953,274.12 and 384,833.22

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Solution

The fourth proportional to 690,757.02, 953,274.12 and 384,833.22 is: 531,086.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,757.02 : 953,274.12 = 384,833.22 : x
  2. Step 2: Convert to fraction form
    690,757.02/953,274.12 = 384,833.22/x
  3. Step 3: Cross multiply
    690,757.02x = 953,274.12 × 384,833.22
  4. Step 4: Simplify right side
    690,757.02x = 366,851,549,142.27
  5. Step 5: Solve for x
    x = 366,851,549,142.27/690,757.02
  6. Step 6: Final answer
    x = 531,086.24

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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.