Home / 1,415,208.89-1,952,475.36-803,007.11

Finding the Fourth Proportional to 1,415,208.89, 1,952,475.36 and 803,007.11

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Solution

The fourth proportional to 1,415,208.89, 1,952,475.36 and 803,007.11 is: 1,107,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,208.89 : 1,952,475.36 = 803,007.11 : x
  2. Step 2: Convert to fraction form
    1,415,208.89/1,952,475.36 = 803,007.11/x
  3. Step 3: Cross multiply
    1,415,208.89x = 1,952,475.36 × 803,007.11
  4. Step 4: Simplify right side
    1,415,208.89x = 1,567,851,596,179.81
  5. Step 5: Solve for x
    x = 1,567,851,596,179.81/1,415,208.89
  6. Step 6: Final answer
    x = 1,107,858.78

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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.