Home / 805,819.16-1,111,975.62-466,338.44

Finding the Fourth Proportional to 805,819.16, 1,111,975.62 and 466,338.44

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Solution

The fourth proportional to 805,819.16, 1,111,975.62 and 466,338.44 is: 643,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,819.16 : 1,111,975.62 = 466,338.44 : x
  2. Step 2: Convert to fraction form
    805,819.16/1,111,975.62 = 466,338.44/x
  3. Step 3: Cross multiply
    805,819.16x = 1,111,975.62 × 466,338.44
  4. Step 4: Simplify right side
    805,819.16x = 518,556,975,948.83
  5. Step 5: Solve for x
    x = 518,556,975,948.83/805,819.16
  6. Step 6: Final answer
    x = 643,515.32

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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.