Home / 761,509.44-1,141,062.50-281,075.98

Finding the Fourth Proportional to 761,509.44, 1,141,062.50 and 281,075.98

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Solution

The fourth proportional to 761,509.44, 1,141,062.50 and 281,075.98 is: 421,170.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,509.44 : 1,141,062.50 = 281,075.98 : x
  2. Step 2: Convert to fraction form
    761,509.44/1,141,062.50 = 281,075.98/x
  3. Step 3: Cross multiply
    761,509.44x = 1,141,062.50 × 281,075.98
  4. Step 4: Simplify right side
    761,509.44x = 320,725,260,428.75
  5. Step 5: Solve for x
    x = 320,725,260,428.75/761,509.44
  6. Step 6: Final answer
    x = 421,170.43

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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.