Home / 777,437.37-1,072,822.19-437,883.75

Finding the Fourth Proportional to 777,437.37, 1,072,822.19 and 437,883.75

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Solution

The fourth proportional to 777,437.37, 1,072,822.19 and 437,883.75 is: 604,256.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,437.37 : 1,072,822.19 = 437,883.75 : x
  2. Step 2: Convert to fraction form
    777,437.37/1,072,822.19 = 437,883.75/x
  3. Step 3: Cross multiply
    777,437.37x = 1,072,822.19 × 437,883.75
  4. Step 4: Simplify right side
    777,437.37x = 469,771,401,450.99
  5. Step 5: Solve for x
    x = 469,771,401,450.99/777,437.37
  6. Step 6: Final answer
    x = 604,256.26

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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.