Home / 1,415,423.36-1,953,015.86-899,261.28

Finding the Fourth Proportional to 1,415,423.36, 1,953,015.86 and 899,261.28

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Solution

The fourth proportional to 1,415,423.36, 1,953,015.86 and 899,261.28 is: 1,240,810.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,423.36 : 1,953,015.86 = 899,261.28 : x
  2. Step 2: Convert to fraction form
    1,415,423.36/1,953,015.86 = 899,261.28/x
  3. Step 3: Cross multiply
    1,415,423.36x = 1,953,015.86 × 899,261.28
  4. Step 4: Simplify right side
    1,415,423.36x = 1,756,271,542,123.90
  5. Step 5: Solve for x
    x = 1,756,271,542,123.90/1,415,423.36
  6. Step 6: Final answer
    x = 1,240,810.06

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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.