Home / 692,063.64-1,038,149.81-186,617.01

Finding the Fourth Proportional to 692,063.64, 1,038,149.81 and 186,617.01

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Solution

The fourth proportional to 692,063.64, 1,038,149.81 and 186,617.01 is: 279,940.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,063.64 : 1,038,149.81 = 186,617.01 : x
  2. Step 2: Convert to fraction form
    692,063.64/1,038,149.81 = 186,617.01/x
  3. Step 3: Cross multiply
    692,063.64x = 1,038,149.81 × 186,617.01
  4. Step 4: Simplify right side
    692,063.64x = 193,736,408,750.06
  5. Step 5: Solve for x
    x = 193,736,408,750.06/692,063.64
  6. Step 6: Final answer
    x = 279,940.16

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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.