Home / 936,555.35-1,400,828.67-781,739.28

Finding the Fourth Proportional to 936,555.35, 1,400,828.67 and 781,739.28

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Solution

The fourth proportional to 936,555.35, 1,400,828.67 and 781,739.28 is: 1,169,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,555.35 : 1,400,828.67 = 781,739.28 : x
  2. Step 2: Convert to fraction form
    936,555.35/1,400,828.67 = 781,739.28/x
  3. Step 3: Cross multiply
    936,555.35x = 1,400,828.67 × 781,739.28
  4. Step 4: Simplify right side
    936,555.35x = 1,095,082,795,889.16
  5. Step 5: Solve for x
    x = 1,095,082,795,889.16/936,555.35
  6. Step 6: Final answer
    x = 1,169,266.51

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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.