Home / 1,201,671.75-1,658,309.12-657,807.89

Finding the Fourth Proportional to 1,201,671.75, 1,658,309.12 and 657,807.89

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Solution

The fourth proportional to 1,201,671.75, 1,658,309.12 and 657,807.89 is: 907,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,671.75 : 1,658,309.12 = 657,807.89 : x
  2. Step 2: Convert to fraction form
    1,201,671.75/1,658,309.12 = 657,807.89/x
  3. Step 3: Cross multiply
    1,201,671.75x = 1,658,309.12 × 657,807.89
  4. Step 4: Simplify right side
    1,201,671.75x = 1,090,848,814,081.15
  5. Step 5: Solve for x
    x = 1,090,848,814,081.15/1,201,671.75
  6. Step 6: Final answer
    x = 907,776.03

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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.