Home / 1,400,038.36-2,099,354.20-815,986.00

Finding the Fourth Proportional to 1,400,038.36, 2,099,354.20 and 815,986.00

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Solution

The fourth proportional to 1,400,038.36, 2,099,354.20 and 815,986.00 is: 1,223,569.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,038.36 : 2,099,354.20 = 815,986.00 : x
  2. Step 2: Convert to fraction form
    1,400,038.36/2,099,354.20 = 815,986.00/x
  3. Step 3: Cross multiply
    1,400,038.36x = 2,099,354.20 × 815,986.00
  4. Step 4: Simplify right side
    1,400,038.36x = 1,713,043,641,415.35
  5. Step 5: Solve for x
    x = 1,713,043,641,415.35/1,400,038.36
  6. Step 6: Final answer
    x = 1,223,569.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.