Home / 1,281,730.03-1,923,750.65-683,189.71

Finding the Fourth Proportional to 1,281,730.03, 1,923,750.65 and 683,189.71

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Solution

The fourth proportional to 1,281,730.03, 1,923,750.65 and 683,189.71 is: 1,025,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,730.03 : 1,923,750.65 = 683,189.71 : x
  2. Step 2: Convert to fraction form
    1,281,730.03/1,923,750.65 = 683,189.71/x
  3. Step 3: Cross multiply
    1,281,730.03x = 1,923,750.65 × 683,189.71
  4. Step 4: Simplify right side
    1,281,730.03x = 1,314,286,648,685.81
  5. Step 5: Solve for x
    x = 1,314,286,648,685.81/1,281,730.03
  6. Step 6: Final answer
    x = 1,025,400.53

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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.