Home / 939,763.68-1,296,886.32-510,048.96

Finding the Fourth Proportional to 939,763.68, 1,296,886.32 and 510,048.96

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Solution

The fourth proportional to 939,763.68, 1,296,886.32 and 510,048.96 is: 703,874.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,763.68 : 1,296,886.32 = 510,048.96 : x
  2. Step 2: Convert to fraction form
    939,763.68/1,296,886.32 = 510,048.96/x
  3. Step 3: Cross multiply
    939,763.68x = 1,296,886.32 × 510,048.96
  4. Step 4: Simplify right side
    939,763.68x = 661,475,518,754.23
  5. Step 5: Solve for x
    x = 661,475,518,754.23/939,763.68
  6. Step 6: Final answer
    x = 703,874.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.