Home / 1,230,555.56-1,698,166.74-679,271.41

Finding the Fourth Proportional to 1,230,555.56, 1,698,166.74 and 679,271.41

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Solution

The fourth proportional to 1,230,555.56, 1,698,166.74 and 679,271.41 is: 937,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,555.56 : 1,698,166.74 = 679,271.41 : x
  2. Step 2: Convert to fraction form
    1,230,555.56/1,698,166.74 = 679,271.41/x
  3. Step 3: Cross multiply
    1,230,555.56x = 1,698,166.74 × 679,271.41
  4. Step 4: Simplify right side
    1,230,555.56x = 1,153,516,112,498.55
  5. Step 5: Solve for x
    x = 1,153,516,112,498.55/1,230,555.56
  6. Step 6: Final answer
    x = 937,394.58

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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.