Home / 936,521.20-1,402,708.20-770,633.20

Finding the Fourth Proportional to 936,521.20, 1,402,708.20 and 770,633.20

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Solution

The fourth proportional to 936,521.20, 1,402,708.20 and 770,633.20 is: 1,154,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,521.20 : 1,402,708.20 = 770,633.20 : x
  2. Step 2: Convert to fraction form
    936,521.20/1,402,708.20 = 770,633.20/x
  3. Step 3: Cross multiply
    936,521.20x = 1,402,708.20 × 770,633.20
  4. Step 4: Simplify right side
    936,521.20x = 1,080,973,508,832.24
  5. Step 5: Solve for x
    x = 1,080,973,508,832.24/936,521.20
  6. Step 6: Final answer
    x = 1,154,243.50

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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.