Home / 659,941.60-989,802.32-186,519.52

Finding the Fourth Proportional to 659,941.60, 989,802.32 and 186,519.52

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Solution

The fourth proportional to 659,941.60, 989,802.32 and 186,519.52 is: 279,748.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,941.60 : 989,802.32 = 186,519.52 : x
  2. Step 2: Convert to fraction form
    659,941.60/989,802.32 = 186,519.52/x
  3. Step 3: Cross multiply
    659,941.60x = 989,802.32 × 186,519.52
  4. Step 4: Simplify right side
    659,941.60x = 184,617,453,621.29
  5. Step 5: Solve for x
    x = 184,617,453,621.29/659,941.60
  6. Step 6: Final answer
    x = 279,748.17

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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.