Home / 627,360.20-865,762.36-340,880.30

Finding the Fourth Proportional to 627,360.20, 865,762.36 and 340,880.30

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Solution

The fourth proportional to 627,360.20, 865,762.36 and 340,880.30 is: 470,417.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,360.20 : 865,762.36 = 340,880.30 : x
  2. Step 2: Convert to fraction form
    627,360.20/865,762.36 = 340,880.30/x
  3. Step 3: Cross multiply
    627,360.20x = 865,762.36 × 340,880.30
  4. Step 4: Simplify right side
    627,360.20x = 295,121,327,824.50
  5. Step 5: Solve for x
    x = 295,121,327,824.50/627,360.20
  6. Step 6: Final answer
    x = 470,417.67

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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.