Home / 939,825.20-1,296,960-510,105.32

Finding the Fourth Proportional to 939,825.20, 1,296,960 and 510,105.32

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Solution

The fourth proportional to 939,825.20, 1,296,960 and 510,105.32 is: 703,946.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,825.20 : 1,296,960 = 510,105.32 : x
  2. Step 2: Convert to fraction form
    939,825.20/1,296,960 = 510,105.32/x
  3. Step 3: Cross multiply
    939,825.20x = 1,296,960 × 510,105.32
  4. Step 4: Simplify right side
    939,825.20x = 661,586,195,827.20
  5. Step 5: Solve for x
    x = 661,586,195,827.20/939,825.20
  6. Step 6: Final answer
    x = 703,946.01

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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.