Home / 1,292,597.18-1,939,186.50-394,129.74

Finding the Fourth Proportional to 1,292,597.18, 1,939,186.50 and 394,129.74

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Solution

The fourth proportional to 1,292,597.18, 1,939,186.50 and 394,129.74 is: 591,283.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,597.18 : 1,939,186.50 = 394,129.74 : x
  2. Step 2: Convert to fraction form
    1,292,597.18/1,939,186.50 = 394,129.74/x
  3. Step 3: Cross multiply
    1,292,597.18x = 1,939,186.50 × 394,129.74
  4. Step 4: Simplify right side
    1,292,597.18x = 764,291,071,056.51
  5. Step 5: Solve for x
    x = 764,291,071,056.51/1,292,597.18
  6. Step 6: Final answer
    x = 591,283.26

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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.