Home / 1,305,260.32-1,957,656.93-830,535.52

Finding the Fourth Proportional to 1,305,260.32, 1,957,656.93 and 830,535.52

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Solution

The fourth proportional to 1,305,260.32, 1,957,656.93 and 830,535.52 is: 1,245,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,260.32 : 1,957,656.93 = 830,535.52 : x
  2. Step 2: Convert to fraction form
    1,305,260.32/1,957,656.93 = 830,535.52/x
  3. Step 3: Cross multiply
    1,305,260.32x = 1,957,656.93 × 830,535.52
  4. Step 4: Simplify right side
    1,305,260.32x = 1,625,903,616,339.15
  5. Step 5: Solve for x
    x = 1,625,903,616,339.15/1,305,260.32
  6. Step 6: Final answer
    x = 1,245,654.67

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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.