Home / 734,749.60-1,100,763.60-418,266.40

Finding the Fourth Proportional to 734,749.60, 1,100,763.60 and 418,266.40

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Solution

The fourth proportional to 734,749.60, 1,100,763.60 and 418,266.40 is: 626,624.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,749.60 : 1,100,763.60 = 418,266.40 : x
  2. Step 2: Convert to fraction form
    734,749.60/1,100,763.60 = 418,266.40/x
  3. Step 3: Cross multiply
    734,749.60x = 1,100,763.60 × 418,266.40
  4. Step 4: Simplify right side
    734,749.60x = 460,412,428,223.04
  5. Step 5: Solve for x
    x = 460,412,428,223.04/734,749.60
  6. Step 6: Final answer
    x = 626,624.95

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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.