Home / 1,262,775.59-1,742,608.46-689,801.03

Finding the Fourth Proportional to 1,262,775.59, 1,742,608.46 and 689,801.03

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Solution

The fourth proportional to 1,262,775.59, 1,742,608.46 and 689,801.03 is: 951,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,775.59 : 1,742,608.46 = 689,801.03 : x
  2. Step 2: Convert to fraction form
    1,262,775.59/1,742,608.46 = 689,801.03/x
  3. Step 3: Cross multiply
    1,262,775.59x = 1,742,608.46 × 689,801.03
  4. Step 4: Simplify right side
    1,262,775.59x = 1,202,053,107,145.71
  5. Step 5: Solve for x
    x = 1,202,053,107,145.71/1,262,775.59
  6. Step 6: Final answer
    x = 951,913.48

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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.