Home / 729,941.20-1,094,911.80-529,320.40

Finding the Fourth Proportional to 729,941.20, 1,094,911.80 and 529,320.40

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Solution

The fourth proportional to 729,941.20, 1,094,911.80 and 529,320.40 is: 793,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,941.20 : 1,094,911.80 = 529,320.40 : x
  2. Step 2: Convert to fraction form
    729,941.20/1,094,911.80 = 529,320.40/x
  3. Step 3: Cross multiply
    729,941.20x = 1,094,911.80 × 529,320.40
  4. Step 4: Simplify right side
    729,941.20x = 579,559,151,940.72
  5. Step 5: Solve for x
    x = 579,559,151,940.72/729,941.20
  6. Step 6: Final answer
    x = 793,980.60

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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.