Home / 939,187.84-1,408,756.56-265,315.60

Finding the Fourth Proportional to 939,187.84, 1,408,756.56 and 265,315.60

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Solution

The fourth proportional to 939,187.84, 1,408,756.56 and 265,315.60 is: 397,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,187.84 : 1,408,756.56 = 265,315.60 : x
  2. Step 2: Convert to fraction form
    939,187.84/1,408,756.56 = 265,315.60/x
  3. Step 3: Cross multiply
    939,187.84x = 1,408,756.56 × 265,315.60
  4. Step 4: Simplify right side
    939,187.84x = 373,765,091,970.34
  5. Step 5: Solve for x
    x = 373,765,091,970.34/939,187.84
  6. Step 6: Final answer
    x = 397,966.28

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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.