Home / 1,017,445.36-1,526,200.62-511,730.32

Finding the Fourth Proportional to 1,017,445.36, 1,526,200.62 and 511,730.32

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Solution

The fourth proportional to 1,017,445.36, 1,526,200.62 and 511,730.32 is: 767,611.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,445.36 : 1,526,200.62 = 511,730.32 : x
  2. Step 2: Convert to fraction form
    1,017,445.36/1,526,200.62 = 511,730.32/x
  3. Step 3: Cross multiply
    1,017,445.36x = 1,526,200.62 × 511,730.32
  4. Step 4: Simplify right side
    1,017,445.36x = 781,003,131,656.80
  5. Step 5: Solve for x
    x = 781,003,131,656.80/1,017,445.36
  6. Step 6: Final answer
    x = 767,611.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.