Home / 1,404,142.08-1,936,928.64-860,541.28

Finding the Fourth Proportional to 1,404,142.08, 1,936,928.64 and 860,541.28

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Solution

The fourth proportional to 1,404,142.08, 1,936,928.64 and 860,541.28 is: 1,187,064.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,142.08 : 1,936,928.64 = 860,541.28 : x
  2. Step 2: Convert to fraction form
    1,404,142.08/1,936,928.64 = 860,541.28/x
  3. Step 3: Cross multiply
    1,404,142.08x = 1,936,928.64 × 860,541.28
  4. Step 4: Simplify right side
    1,404,142.08x = 1,666,807,051,134.26
  5. Step 5: Solve for x
    x = 1,666,807,051,134.26/1,404,142.08
  6. Step 6: Final answer
    x = 1,187,064.38

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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.