Home / 531,748.28-733,821.36-290,030.86

Finding the Fourth Proportional to 531,748.28, 733,821.36 and 290,030.86

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Solution

The fourth proportional to 531,748.28, 733,821.36 and 290,030.86 is: 400,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,748.28 : 733,821.36 = 290,030.86 : x
  2. Step 2: Convert to fraction form
    531,748.28/733,821.36 = 290,030.86/x
  3. Step 3: Cross multiply
    531,748.28x = 733,821.36 × 290,030.86
  4. Step 4: Simplify right side
    531,748.28x = 212,830,839,380.23
  5. Step 5: Solve for x
    x = 212,830,839,380.23/531,748.28
  6. Step 6: Final answer
    x = 400,247.35

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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.