Home / 692,408.66-1,038,665.51-186,962.28

Finding the Fourth Proportional to 692,408.66, 1,038,665.51 and 186,962.28

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Solution

The fourth proportional to 692,408.66, 1,038,665.51 and 186,962.28 is: 280,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,408.66 : 1,038,665.51 = 186,962.28 : x
  2. Step 2: Convert to fraction form
    692,408.66/1,038,665.51 = 186,962.28/x
  3. Step 3: Cross multiply
    692,408.66x = 1,038,665.51 × 186,962.28
  4. Step 4: Simplify right side
    692,408.66x = 194,191,267,252.43
  5. Step 5: Solve for x
    x = 194,191,267,252.43/692,408.66
  6. Step 6: Final answer
    x = 280,457.60

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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.