Home / 767,184.87-1,151,109.16-411,783.70

Finding the Fourth Proportional to 767,184.87, 1,151,109.16 and 411,783.70

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Solution

The fourth proportional to 767,184.87, 1,151,109.16 and 411,783.70 is: 617,853.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,184.87 : 1,151,109.16 = 411,783.70 : x
  2. Step 2: Convert to fraction form
    767,184.87/1,151,109.16 = 411,783.70/x
  3. Step 3: Cross multiply
    767,184.87x = 1,151,109.16 × 411,783.70
  4. Step 4: Simplify right side
    767,184.87x = 474,007,990,857.01
  5. Step 5: Solve for x
    x = 474,007,990,857.01/767,184.87
  6. Step 6: Final answer
    x = 617,853.67

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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.