Home / 691,736.40-1,036,632.60-549,824.40

Finding the Fourth Proportional to 691,736.40, 1,036,632.60 and 549,824.40

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Solution

The fourth proportional to 691,736.40, 1,036,632.60 and 549,824.40 is: 823,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,736.40 : 1,036,632.60 = 549,824.40 : x
  2. Step 2: Convert to fraction form
    691,736.40/1,036,632.60 = 549,824.40/x
  3. Step 3: Cross multiply
    691,736.40x = 1,036,632.60 × 549,824.40
  4. Step 4: Simplify right side
    691,736.40x = 569,965,897,315.44
  5. Step 5: Solve for x
    x = 569,965,897,315.44/691,736.40
  6. Step 6: Final answer
    x = 823,964.01

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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.