Home / 872,408.32-1,204,841.33-777,308.45

Finding the Fourth Proportional to 872,408.32, 1,204,841.33 and 777,308.45

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Solution

The fourth proportional to 872,408.32, 1,204,841.33 and 777,308.45 is: 1,073,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,408.32 : 1,204,841.33 = 777,308.45 : x
  2. Step 2: Convert to fraction form
    872,408.32/1,204,841.33 = 777,308.45/x
  3. Step 3: Cross multiply
    872,408.32x = 1,204,841.33 × 777,308.45
  4. Step 4: Simplify right side
    872,408.32x = 936,533,336,807.49
  5. Step 5: Solve for x
    x = 936,533,336,807.49/872,408.32
  6. Step 6: Final answer
    x = 1,073,503.45

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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.