Home / 663,855.60-995,931.45-190,504.07

Finding the Fourth Proportional to 663,855.60, 995,931.45 and 190,504.07

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Solution

The fourth proportional to 663,855.60, 995,931.45 and 190,504.07 is: 285,798.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,855.60 : 995,931.45 = 190,504.07 : x
  2. Step 2: Convert to fraction form
    663,855.60/995,931.45 = 190,504.07/x
  3. Step 3: Cross multiply
    663,855.60x = 995,931.45 × 190,504.07
  4. Step 4: Simplify right side
    663,855.60x = 189,728,989,686.34
  5. Step 5: Solve for x
    x = 189,728,989,686.34/663,855.60
  6. Step 6: Final answer
    x = 285,798.58

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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.