Home / 1,319,628.63-1,821,097.23-716,016.63

Finding the Fourth Proportional to 1,319,628.63, 1,821,097.23 and 716,016.63

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Solution

The fourth proportional to 1,319,628.63, 1,821,097.23 and 716,016.63 is: 988,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,628.63 : 1,821,097.23 = 716,016.63 : x
  2. Step 2: Convert to fraction form
    1,319,628.63/1,821,097.23 = 716,016.63/x
  3. Step 3: Cross multiply
    1,319,628.63x = 1,821,097.23 × 716,016.63
  4. Step 4: Simplify right side
    1,319,628.63x = 1,303,935,901,526.93
  5. Step 5: Solve for x
    x = 1,303,935,901,526.93/1,319,628.63
  6. Step 6: Final answer
    x = 988,108.22

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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.