Home / 807,016.08-1,113,815.34-615,668.16

Finding the Fourth Proportional to 807,016.08, 1,113,815.34 and 615,668.16

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Solution

The fourth proportional to 807,016.08, 1,113,815.34 and 615,668.16 is: 849,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,016.08 : 1,113,815.34 = 615,668.16 : x
  2. Step 2: Convert to fraction form
    807,016.08/1,113,815.34 = 615,668.16/x
  3. Step 3: Cross multiply
    807,016.08x = 1,113,815.34 × 615,668.16
  4. Step 4: Simplify right side
    807,016.08x = 685,740,640,957.58
  5. Step 5: Solve for x
    x = 685,740,640,957.58/807,016.08
  6. Step 6: Final answer
    x = 849,723.64

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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.