Home / 298,958.40-412,547.04-185,778.72

Finding the Fourth Proportional to 298,958.40, 412,547.04 and 185,778.72

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Solution

The fourth proportional to 298,958.40, 412,547.04 and 185,778.72 is: 256,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,958.40 : 412,547.04 = 185,778.72 : x
  2. Step 2: Convert to fraction form
    298,958.40/412,547.04 = 185,778.72/x
  3. Step 3: Cross multiply
    298,958.40x = 412,547.04 × 185,778.72
  4. Step 4: Simplify right side
    298,958.40x = 76,642,461,030.99
  5. Step 5: Solve for x
    x = 76,642,461,030.99/298,958.40
  6. Step 6: Final answer
    x = 256,364.97

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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.