Home / 1,470,507.54-2,205,763.11-459,634.68

Finding the Fourth Proportional to 1,470,507.54, 2,205,763.11 and 459,634.68

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Solution

The fourth proportional to 1,470,507.54, 2,205,763.11 and 459,634.68 is: 689,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,507.54 : 2,205,763.11 = 459,634.68 : x
  2. Step 2: Convert to fraction form
    1,470,507.54/2,205,763.11 = 459,634.68/x
  3. Step 3: Cross multiply
    1,470,507.54x = 2,205,763.11 × 459,634.68
  4. Step 4: Simplify right side
    1,470,507.54x = 1,013,845,221,220.65
  5. Step 5: Solve for x
    x = 1,013,845,221,220.65/1,470,507.54
  6. Step 6: Final answer
    x = 689,452.58

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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.