Home / 1,798,047.21-2,698,134.88-661,607.44

Finding the Fourth Proportional to 1,798,047.21, 2,698,134.88 and 661,607.44

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Solution

The fourth proportional to 1,798,047.21, 2,698,134.88 and 661,607.44 is: 992,802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,047.21 : 2,698,134.88 = 661,607.44 : x
  2. Step 2: Convert to fraction form
    1,798,047.21/2,698,134.88 = 661,607.44/x
  3. Step 3: Cross multiply
    1,798,047.21x = 2,698,134.88 × 661,607.44
  4. Step 4: Simplify right side
    1,798,047.21x = 1,785,106,114,168.81
  5. Step 5: Solve for x
    x = 1,785,106,114,168.81/1,798,047.21
  6. Step 6: Final answer
    x = 992,802.69

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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.