Home / 904,180.98-1,247,751.93-511,706.68

Finding the Fourth Proportional to 904,180.98, 1,247,751.93 and 511,706.68

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Solution

The fourth proportional to 904,180.98, 1,247,751.93 and 511,706.68 is: 706,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,180.98 : 1,247,751.93 = 511,706.68 : x
  2. Step 2: Convert to fraction form
    904,180.98/1,247,751.93 = 511,706.68/x
  3. Step 3: Cross multiply
    904,180.98x = 1,247,751.93 × 511,706.68
  4. Step 4: Simplify right side
    904,180.98x = 638,482,991,325.13
  5. Step 5: Solve for x
    x = 638,482,991,325.13/904,180.98
  6. Step 6: Final answer
    x = 706,145.13

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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.