Home / 851,397.62-1,180,000.36-835,454.40

Finding the Fourth Proportional to 851,397.62, 1,180,000.36 and 835,454.40

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Solution

The fourth proportional to 851,397.62, 1,180,000.36 and 835,454.40 is: 1,157,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,397.62 : 1,180,000.36 = 835,454.40 : x
  2. Step 2: Convert to fraction form
    851,397.62/1,180,000.36 = 835,454.40/x
  3. Step 3: Cross multiply
    851,397.62x = 1,180,000.36 × 835,454.40
  4. Step 4: Simplify right side
    851,397.62x = 985,836,492,763.58
  5. Step 5: Solve for x
    x = 985,836,492,763.58/851,397.62
  6. Step 6: Final answer
    x = 1,157,903.75

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.