Home / 1,570,303.70-2,355,455.55-1,313,440.55

Finding the Fourth Proportional to 1,570,303.70, 2,355,455.55 and 1,313,440.55

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Solution

The fourth proportional to 1,570,303.70, 2,355,455.55 and 1,313,440.55 is: 1,970,160.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,303.70 : 2,355,455.55 = 1,313,440.55 : x
  2. Step 2: Convert to fraction form
    1,570,303.70/2,355,455.55 = 1,313,440.55/x
  3. Step 3: Cross multiply
    1,570,303.70x = 2,355,455.55 × 1,313,440.55
  4. Step 4: Simplify right side
    1,570,303.70x = 3,093,750,833,092.55
  5. Step 5: Solve for x
    x = 3,093,750,833,092.55/1,570,303.70
  6. Step 6: Final answer
    x = 1,970,160.83

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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.