Home / 829,370.96-1,243,987.97-230,346.21

Finding the Fourth Proportional to 829,370.96, 1,243,987.97 and 230,346.21

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Solution

The fourth proportional to 829,370.96, 1,243,987.97 and 230,346.21 is: 345,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,370.96 : 1,243,987.97 = 230,346.21 : x
  2. Step 2: Convert to fraction form
    829,370.96/1,243,987.97 = 230,346.21/x
  3. Step 3: Cross multiply
    829,370.96x = 1,243,987.97 × 230,346.21
  4. Step 4: Simplify right side
    829,370.96x = 286,547,913,023.36
  5. Step 5: Solve for x
    x = 286,547,913,023.36/829,370.96
  6. Step 6: Final answer
    x = 345,500.30

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Double scale
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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.