Home / 1,698,990.96-2,548,880.90-561,684.54

Finding the Fourth Proportional to 1,698,990.96, 2,548,880.90 and 561,684.54

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Solution

The fourth proportional to 1,698,990.96, 2,548,880.90 and 561,684.54 is: 842,657.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,990.96 : 2,548,880.90 = 561,684.54 : x
  2. Step 2: Convert to fraction form
    1,698,990.96/2,548,880.90 = 561,684.54/x
  3. Step 3: Cross multiply
    1,698,990.96x = 2,548,880.90 × 561,684.54
  4. Step 4: Simplify right side
    1,698,990.96x = 1,431,666,995,831.29
  5. Step 5: Solve for x
    x = 1,431,666,995,831.29/1,698,990.96
  6. Step 6: Final answer
    x = 842,657.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.