Home / 874,830.48-1,207,236.47-535,298.73

Finding the Fourth Proportional to 874,830.48, 1,207,236.47 and 535,298.73

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Solution

The fourth proportional to 874,830.48, 1,207,236.47 and 535,298.73 is: 738,694.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,830.48 : 1,207,236.47 = 535,298.73 : x
  2. Step 2: Convert to fraction form
    874,830.48/1,207,236.47 = 535,298.73/x
  3. Step 3: Cross multiply
    874,830.48x = 1,207,236.47 × 535,298.73
  4. Step 4: Simplify right side
    874,830.48x = 646,232,146,524.19
  5. Step 5: Solve for x
    x = 646,232,146,524.19/874,830.48
  6. Step 6: Final answer
    x = 738,694.14

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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.