Home / 830,842.63-1,246,263.96-199,756.45

Finding the Fourth Proportional to 830,842.63, 1,246,263.96 and 199,756.45

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Solution

The fourth proportional to 830,842.63, 1,246,263.96 and 199,756.45 is: 299,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,842.63 : 1,246,263.96 = 199,756.45 : x
  2. Step 2: Convert to fraction form
    830,842.63/1,246,263.96 = 199,756.45/x
  3. Step 3: Cross multiply
    830,842.63x = 1,246,263.96 × 199,756.45
  4. Step 4: Simplify right side
    830,842.63x = 248,949,264,412.54
  5. Step 5: Solve for x
    x = 248,949,264,412.54/830,842.63
  6. Step 6: Final answer
    x = 299,634.68

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Half scale
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Double scale
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Similar ratio
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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.