Home / 729,828.20-1,094,742.30-529,207.40

Finding the Fourth Proportional to 729,828.20, 1,094,742.30 and 529,207.40

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Solution

The fourth proportional to 729,828.20, 1,094,742.30 and 529,207.40 is: 793,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,828.20 : 1,094,742.30 = 529,207.40 : x
  2. Step 2: Convert to fraction form
    729,828.20/1,094,742.30 = 529,207.40/x
  3. Step 3: Cross multiply
    729,828.20x = 1,094,742.30 × 529,207.40
  4. Step 4: Simplify right side
    729,828.20x = 579,345,726,253.02
  5. Step 5: Solve for x
    x = 579,345,726,253.02/729,828.20
  6. Step 6: Final answer
    x = 793,811.10

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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.