Home / 1,118,698.33-1,543,688.62-628,590.01

Finding the Fourth Proportional to 1,118,698.33, 1,543,688.62 and 628,590.01

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Solution

The fourth proportional to 1,118,698.33, 1,543,688.62 and 628,590.01 is: 867,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,698.33 : 1,543,688.62 = 628,590.01 : x
  2. Step 2: Convert to fraction form
    1,118,698.33/1,543,688.62 = 628,590.01/x
  3. Step 3: Cross multiply
    1,118,698.33x = 1,543,688.62 × 628,590.01
  4. Step 4: Simplify right side
    1,118,698.33x = 970,347,245,082.69
  5. Step 5: Solve for x
    x = 970,347,245,082.69/1,118,698.33
  6. Step 6: Final answer
    x = 867,389.55

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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.