Home / 1,230,200.63-1,697,677.94-686,336.51

Finding the Fourth Proportional to 1,230,200.63, 1,697,677.94 and 686,336.51

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Solution

The fourth proportional to 1,230,200.63, 1,697,677.94 and 686,336.51 is: 947,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,200.63 : 1,697,677.94 = 686,336.51 : x
  2. Step 2: Convert to fraction form
    1,230,200.63/1,697,677.94 = 686,336.51/x
  3. Step 3: Cross multiply
    1,230,200.63x = 1,697,677.94 × 686,336.51
  4. Step 4: Simplify right side
    1,230,200.63x = 1,165,178,344,993.54
  5. Step 5: Solve for x
    x = 1,165,178,344,993.54/1,230,200.63
  6. Step 6: Final answer
    x = 947,144.98

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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.