Home / 866,585.36-1,299,506.28-298,023.68

Finding the Fourth Proportional to 866,585.36, 1,299,506.28 and 298,023.68

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Solution

The fourth proportional to 866,585.36, 1,299,506.28 and 298,023.68 is: 446,907.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,585.36 : 1,299,506.28 = 298,023.68 : x
  2. Step 2: Convert to fraction form
    866,585.36/1,299,506.28 = 298,023.68/x
  3. Step 3: Cross multiply
    866,585.36x = 1,299,506.28 × 298,023.68
  4. Step 4: Simplify right side
    866,585.36x = 387,283,643,748.71
  5. Step 5: Solve for x
    x = 387,283,643,748.71/866,585.36
  6. Step 6: Final answer
    x = 446,907.67

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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.