Home / 1,505,797.16-2,077,407.40-860,870.84

Finding the Fourth Proportional to 1,505,797.16, 2,077,407.40 and 860,870.84

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Solution

The fourth proportional to 1,505,797.16, 2,077,407.40 and 860,870.84 is: 1,187,662.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,797.16 : 2,077,407.40 = 860,870.84 : x
  2. Step 2: Convert to fraction form
    1,505,797.16/2,077,407.40 = 860,870.84/x
  3. Step 3: Cross multiply
    1,505,797.16x = 2,077,407.40 × 860,870.84
  4. Step 4: Simplify right side
    1,505,797.16x = 1,788,379,453,460.22
  5. Step 5: Solve for x
    x = 1,788,379,453,460.22/1,505,797.16
  6. Step 6: Final answer
    x = 1,187,662.92

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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.