Home / 1,208,605.20-1,812,907.80-367,047.60

Finding the Fourth Proportional to 1,208,605.20, 1,812,907.80 and 367,047.60

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Solution

The fourth proportional to 1,208,605.20, 1,812,907.80 and 367,047.60 is: 550,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,605.20 : 1,812,907.80 = 367,047.60 : x
  2. Step 2: Convert to fraction form
    1,208,605.20/1,812,907.80 = 367,047.60/x
  3. Step 3: Cross multiply
    1,208,605.20x = 1,812,907.80 × 367,047.60
  4. Step 4: Simplify right side
    1,208,605.20x = 665,423,457,011.28
  5. Step 5: Solve for x
    x = 665,423,457,011.28/1,208,605.20
  6. Step 6: Final answer
    x = 550,571.40

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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.