Home / 959,209.70-1,323,709.64-529,490.12

Finding the Fourth Proportional to 959,209.70, 1,323,709.64 and 529,490.12

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Solution

The fourth proportional to 959,209.70, 1,323,709.64 and 529,490.12 is: 730,696.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,209.70 : 1,323,709.64 = 529,490.12 : x
  2. Step 2: Convert to fraction form
    959,209.70/1,323,709.64 = 529,490.12/x
  3. Step 3: Cross multiply
    959,209.70x = 1,323,709.64 × 529,490.12
  4. Step 4: Simplify right side
    959,209.70x = 700,891,176,128.76
  5. Step 5: Solve for x
    x = 700,891,176,128.76/959,209.70
  6. Step 6: Final answer
    x = 730,696.51

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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.