Home / 526,911.40-789,848.70-470,924.20

Finding the Fourth Proportional to 526,911.40, 789,848.70 and 470,924.20

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Solution

The fourth proportional to 526,911.40, 789,848.70 and 470,924.20 is: 705,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,911.40 : 789,848.70 = 470,924.20 : x
  2. Step 2: Convert to fraction form
    526,911.40/789,848.70 = 470,924.20/x
  3. Step 3: Cross multiply
    526,911.40x = 789,848.70 × 470,924.20
  4. Step 4: Simplify right side
    526,911.40x = 371,958,867,168.54
  5. Step 5: Solve for x
    x = 371,958,867,168.54/526,911.40
  6. Step 6: Final answer
    x = 705,922.98

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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.