Home / 928,178.55-1,392,401.34-352,013.94

Finding the Fourth Proportional to 928,178.55, 1,392,401.34 and 352,013.94

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Solution

The fourth proportional to 928,178.55, 1,392,401.34 and 352,013.94 is: 528,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,178.55 : 1,392,401.34 = 352,013.94 : x
  2. Step 2: Convert to fraction form
    928,178.55/1,392,401.34 = 352,013.94/x
  3. Step 3: Cross multiply
    928,178.55x = 1,392,401.34 × 352,013.94
  4. Step 4: Simplify right side
    928,178.55x = 490,144,681,754.68
  5. Step 5: Solve for x
    x = 490,144,681,754.68/928,178.55
  6. Step 6: Final answer
    x = 528,071.55

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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.