Home / 889,034.68-1,226,735.78-539,993.40

Finding the Fourth Proportional to 889,034.68, 1,226,735.78 and 539,993.40

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Solution

The fourth proportional to 889,034.68, 1,226,735.78 and 539,993.40 is: 745,110.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,034.68 : 1,226,735.78 = 539,993.40 : x
  2. Step 2: Convert to fraction form
    889,034.68/1,226,735.78 = 539,993.40/x
  3. Step 3: Cross multiply
    889,034.68x = 1,226,735.78 × 539,993.40
  4. Step 4: Simplify right side
    889,034.68x = 662,429,224,743.85
  5. Step 5: Solve for x
    x = 662,429,224,743.85/889,034.68
  6. Step 6: Final answer
    x = 745,110.67

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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.