Home / 798,685.97-1,102,143.65-436,104.45

Finding the Fourth Proportional to 798,685.97, 1,102,143.65 and 436,104.45

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Solution

The fourth proportional to 798,685.97, 1,102,143.65 and 436,104.45 is: 601,800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,685.97 : 1,102,143.65 = 436,104.45 : x
  2. Step 2: Convert to fraction form
    798,685.97/1,102,143.65 = 436,104.45/x
  3. Step 3: Cross multiply
    798,685.97x = 1,102,143.65 × 436,104.45
  4. Step 4: Simplify right side
    798,685.97x = 480,649,748,123.72
  5. Step 5: Solve for x
    x = 480,649,748,123.72/798,685.97
  6. Step 6: Final answer
    x = 601,800.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.