Home / 1,201,671.64-1,658,308.94-657,807.76

Finding the Fourth Proportional to 1,201,671.64, 1,658,308.94 and 657,807.76

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Solution

The fourth proportional to 1,201,671.64, 1,658,308.94 and 657,807.76 is: 907,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,671.64 : 1,658,308.94 = 657,807.76 : x
  2. Step 2: Convert to fraction form
    1,201,671.64/1,658,308.94 = 657,807.76/x
  3. Step 3: Cross multiply
    1,201,671.64x = 1,658,308.94 × 657,807.76
  4. Step 4: Simplify right side
    1,201,671.64x = 1,090,848,489,209.37
  5. Step 5: Solve for x
    x = 1,090,848,489,209.37/1,201,671.64
  6. Step 6: Final answer
    x = 907,775.85

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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.