Home / 1,405,406.64-1,939,461.80-760,826.82

Finding the Fourth Proportional to 1,405,406.64, 1,939,461.80 and 760,826.82

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Solution

The fourth proportional to 1,405,406.64, 1,939,461.80 and 760,826.82 is: 1,049,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,406.64 : 1,939,461.80 = 760,826.82 : x
  2. Step 2: Convert to fraction form
    1,405,406.64/1,939,461.80 = 760,826.82/x
  3. Step 3: Cross multiply
    1,405,406.64x = 1,939,461.80 × 760,826.82
  4. Step 4: Simplify right side
    1,405,406.64x = 1,475,594,553,805.48
  5. Step 5: Solve for x
    x = 1,475,594,553,805.48/1,405,406.64
  6. Step 6: Final answer
    x = 1,049,941.36

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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.