Home / 1,230,650.29-1,698,382.65-686,892.16

Finding the Fourth Proportional to 1,230,650.29, 1,698,382.65 and 686,892.16

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Solution

The fourth proportional to 1,230,650.29, 1,698,382.65 and 686,892.16 is: 947,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,650.29 : 1,698,382.65 = 686,892.16 : x
  2. Step 2: Convert to fraction form
    1,230,650.29/1,698,382.65 = 686,892.16/x
  3. Step 3: Cross multiply
    1,230,650.29x = 1,698,382.65 × 686,892.16
  4. Step 4: Simplify right side
    1,230,650.29x = 1,166,605,726,965.02
  5. Step 5: Solve for x
    x = 1,166,605,726,965.02/1,230,650.29
  6. Step 6: Final answer
    x = 947,958.76

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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.