Home / 928,000.90-1,392,009.58-367,035.46

Finding the Fourth Proportional to 928,000.90, 1,392,009.58 and 367,035.46

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Solution

The fourth proportional to 928,000.90, 1,392,009.58 and 367,035.46 is: 550,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,000.90 : 1,392,009.58 = 367,035.46 : x
  2. Step 2: Convert to fraction form
    928,000.90/1,392,009.58 = 367,035.46/x
  3. Step 3: Cross multiply
    928,000.90x = 1,392,009.58 × 367,035.46
  4. Step 4: Simplify right side
    928,000.90x = 510,916,876,519.71
  5. Step 5: Solve for x
    x = 510,916,876,519.71/928,000.90
  6. Step 6: Final answer
    x = 550,556.45

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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.