Home / 1,299,068.88-1,934,905-1,240,782.60

Finding the Fourth Proportional to 1,299,068.88, 1,934,905 and 1,240,782.60

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Solution

The fourth proportional to 1,299,068.88, 1,934,905 and 1,240,782.60 is: 1,848,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,068.88 : 1,934,905 = 1,240,782.60 : x
  2. Step 2: Convert to fraction form
    1,299,068.88/1,934,905 = 1,240,782.60/x
  3. Step 3: Cross multiply
    1,299,068.88x = 1,934,905 × 1,240,782.60
  4. Step 4: Simplify right side
    1,299,068.88x = 2,400,796,456,653
  5. Step 5: Solve for x
    x = 2,400,796,456,653/1,299,068.88
  6. Step 6: Final answer
    x = 1,848,090.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.