Home / 768,586.98-1,151,338.23-705,806.31

Finding the Fourth Proportional to 768,586.98, 1,151,338.23 and 705,806.31

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Solution

The fourth proportional to 768,586.98, 1,151,338.23 and 705,806.31 is: 1,057,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,586.98 : 1,151,338.23 = 705,806.31 : x
  2. Step 2: Convert to fraction form
    768,586.98/1,151,338.23 = 705,806.31/x
  3. Step 3: Cross multiply
    768,586.98x = 1,151,338.23 × 705,806.31
  4. Step 4: Simplify right side
    768,586.98x = 812,621,787,678.23
  5. Step 5: Solve for x
    x = 812,621,787,678.23/768,586.98
  6. Step 6: Final answer
    x = 1,057,293.20

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1.5x scale

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.