Home / 929,895.16-1,283,390.60-522,165.64

Finding the Fourth Proportional to 929,895.16, 1,283,390.60 and 522,165.64

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Solution

The fourth proportional to 929,895.16, 1,283,390.60 and 522,165.64 is: 720,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,895.16 : 1,283,390.60 = 522,165.64 : x
  2. Step 2: Convert to fraction form
    929,895.16/1,283,390.60 = 522,165.64/x
  3. Step 3: Cross multiply
    929,895.16x = 1,283,390.60 × 522,165.64
  4. Step 4: Simplify right side
    929,895.16x = 670,142,474,018.98
  5. Step 5: Solve for x
    x = 670,142,474,018.98/929,895.16
  6. Step 6: Final answer
    x = 720,664.55

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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.