Home / 658,835.40-988,296.30-185,536.20

Finding the Fourth Proportional to 658,835.40, 988,296.30 and 185,536.20

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Solution

The fourth proportional to 658,835.40, 988,296.30 and 185,536.20 is: 278,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,835.40 : 988,296.30 = 185,536.20 : x
  2. Step 2: Convert to fraction form
    658,835.40/988,296.30 = 185,536.20/x
  3. Step 3: Cross multiply
    658,835.40x = 988,296.30 × 185,536.20
  4. Step 4: Simplify right side
    658,835.40x = 183,364,739,976.06
  5. Step 5: Solve for x
    x = 183,364,739,976.06/658,835.40
  6. Step 6: Final answer
    x = 278,316.47

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1.5x scale

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.