Home / 1,464,005.43-2,020,307.67-819,425.43

Finding the Fourth Proportional to 1,464,005.43, 2,020,307.67 and 819,425.43

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Solution

The fourth proportional to 1,464,005.43, 2,020,307.67 and 819,425.43 is: 1,130,796.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,005.43 : 2,020,307.67 = 819,425.43 : x
  2. Step 2: Convert to fraction form
    1,464,005.43/2,020,307.67 = 819,425.43/x
  3. Step 3: Cross multiply
    1,464,005.43x = 2,020,307.67 × 819,425.43
  4. Step 4: Simplify right side
    1,464,005.43x = 1,655,491,481,222.05
  5. Step 5: Solve for x
    x = 1,655,491,481,222.05/1,464,005.43
  6. Step 6: Final answer
    x = 1,130,796.00

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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.