Home / 874,873.56-1,207,325.40-472,465.56

Finding the Fourth Proportional to 874,873.56, 1,207,325.40 and 472,465.56

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Solution

The fourth proportional to 874,873.56, 1,207,325.40 and 472,465.56 is: 652,002.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,873.56 : 1,207,325.40 = 472,465.56 : x
  2. Step 2: Convert to fraction form
    874,873.56/1,207,325.40 = 472,465.56/x
  3. Step 3: Cross multiply
    874,873.56x = 1,207,325.40 × 472,465.56
  4. Step 4: Simplify right side
    874,873.56x = 570,419,671,213.22
  5. Step 5: Solve for x
    x = 570,419,671,213.22/874,873.56
  6. Step 6: Final answer
    x = 652,002.41

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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.