Home / 805,452.35-1,111,495.79-442,873.67

Finding the Fourth Proportional to 805,452.35, 1,111,495.79 and 442,873.67

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Solution

The fourth proportional to 805,452.35, 1,111,495.79 and 442,873.67 is: 611,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,452.35 : 1,111,495.79 = 442,873.67 : x
  2. Step 2: Convert to fraction form
    805,452.35/1,111,495.79 = 442,873.67/x
  3. Step 3: Cross multiply
    805,452.35x = 1,111,495.79 × 442,873.67
  4. Step 4: Simplify right side
    805,452.35x = 492,252,211,935.00
  5. Step 5: Solve for x
    x = 492,252,211,935.00/805,452.35
  6. Step 6: Final answer
    x = 611,150.01

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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.