Home / 959,139.58-1,323,612.75-529,419.80

Finding the Fourth Proportional to 959,139.58, 1,323,612.75 and 529,419.80

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Solution

The fourth proportional to 959,139.58, 1,323,612.75 and 529,419.80 is: 730,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,139.58 : 1,323,612.75 = 529,419.80 : x
  2. Step 2: Convert to fraction form
    959,139.58/1,323,612.75 = 529,419.80/x
  3. Step 3: Cross multiply
    959,139.58x = 1,323,612.75 × 529,419.80
  4. Step 4: Simplify right side
    959,139.58x = 700,746,797,382.45
  5. Step 5: Solve for x
    x = 700,746,797,382.45/959,139.58
  6. Step 6: Final answer
    x = 730,599.40

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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.