Home / 1,230,564.96-1,698,176.46-686,694.98

Finding the Fourth Proportional to 1,230,564.96, 1,698,176.46 and 686,694.98

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Solution

The fourth proportional to 1,230,564.96, 1,698,176.46 and 686,694.98 is: 947,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,564.96 : 1,698,176.46 = 686,694.98 : x
  2. Step 2: Convert to fraction form
    1,230,564.96/1,698,176.46 = 686,694.98/x
  3. Step 3: Cross multiply
    1,230,564.96x = 1,698,176.46 × 686,694.98
  4. Step 4: Simplify right side
    1,230,564.96x = 1,166,129,250,236.17
  5. Step 5: Solve for x
    x = 1,166,129,250,236.17/1,230,564.96
  6. Step 6: Final answer
    x = 947,637.30

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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.