Home / 926,653.20-1,388,230.20-475,839.60

Finding the Fourth Proportional to 926,653.20, 1,388,230.20 and 475,839.60

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Solution

The fourth proportional to 926,653.20, 1,388,230.20 and 475,839.60 is: 712,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,653.20 : 1,388,230.20 = 475,839.60 : x
  2. Step 2: Convert to fraction form
    926,653.20/1,388,230.20 = 475,839.60/x
  3. Step 3: Cross multiply
    926,653.20x = 1,388,230.20 × 475,839.60
  4. Step 4: Simplify right side
    926,653.20x = 660,574,903,075.92
  5. Step 5: Solve for x
    x = 660,574,903,075.92/926,653.20
  6. Step 6: Final answer
    x = 712,860.97

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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.