Home / 1,117,152.51-1,674,416.56-516,845.61

Finding the Fourth Proportional to 1,117,152.51, 1,674,416.56 and 516,845.61

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Solution

The fourth proportional to 1,117,152.51, 1,674,416.56 and 516,845.61 is: 774,661.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,152.51 : 1,674,416.56 = 516,845.61 : x
  2. Step 2: Convert to fraction form
    1,117,152.51/1,674,416.56 = 516,845.61/x
  3. Step 3: Cross multiply
    1,117,152.51x = 1,674,416.56 × 516,845.61
  4. Step 4: Simplify right side
    1,117,152.51x = 865,414,848,024.27
  5. Step 5: Solve for x
    x = 865,414,848,024.27/1,117,152.51
  6. Step 6: Final answer
    x = 774,661.33

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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.