Home / 762,611.03-1,053,795.62-555,518.87

Finding the Fourth Proportional to 762,611.03, 1,053,795.62 and 555,518.87

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Solution

The fourth proportional to 762,611.03, 1,053,795.62 and 555,518.87 is: 767,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,611.03 : 1,053,795.62 = 555,518.87 : x
  2. Step 2: Convert to fraction form
    762,611.03/1,053,795.62 = 555,518.87/x
  3. Step 3: Cross multiply
    762,611.03x = 1,053,795.62 × 555,518.87
  4. Step 4: Simplify right side
    762,611.03x = 585,403,352,104.90
  5. Step 5: Solve for x
    x = 585,403,352,104.90/762,611.03
  6. Step 6: Final answer
    x = 767,630.33

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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.