Home / 974,072.64-1,343,349.78-611,530.32

Finding the Fourth Proportional to 974,072.64, 1,343,349.78 and 611,530.32

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Solution

The fourth proportional to 974,072.64, 1,343,349.78 and 611,530.32 is: 843,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,072.64 : 1,343,349.78 = 611,530.32 : x
  2. Step 2: Convert to fraction form
    974,072.64/1,343,349.78 = 611,530.32/x
  3. Step 3: Cross multiply
    974,072.64x = 1,343,349.78 × 611,530.32
  4. Step 4: Simplify right side
    974,072.64x = 821,499,120,835.33
  5. Step 5: Solve for x
    x = 821,499,120,835.33/974,072.64
  6. Step 6: Final answer
    x = 843,365.36

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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.