Home / 768,583.98-1,151,333.73-705,803.31

Finding the Fourth Proportional to 768,583.98, 1,151,333.73 and 705,803.31

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Solution

The fourth proportional to 768,583.98, 1,151,333.73 and 705,803.31 is: 1,057,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,583.98 : 1,151,333.73 = 705,803.31 : x
  2. Step 2: Convert to fraction form
    768,583.98/1,151,333.73 = 705,803.31/x
  3. Step 3: Cross multiply
    768,583.98x = 1,151,333.73 × 705,803.31
  4. Step 4: Simplify right side
    768,583.98x = 812,615,157,548.65
  5. Step 5: Solve for x
    x = 812,615,157,548.65/768,583.98
  6. Step 6: Final answer
    x = 1,057,288.70

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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.