Home / 746,539.80-1,119,284.82-346,756.20

Finding the Fourth Proportional to 746,539.80, 1,119,284.82 and 346,756.20

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Solution

The fourth proportional to 746,539.80, 1,119,284.82 and 346,756.20 is: 519,890.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,539.80 : 1,119,284.82 = 346,756.20 : x
  2. Step 2: Convert to fraction form
    746,539.80/1,119,284.82 = 346,756.20/x
  3. Step 3: Cross multiply
    746,539.80x = 1,119,284.82 × 346,756.20
  4. Step 4: Simplify right side
    746,539.80x = 388,118,950,900.88
  5. Step 5: Solve for x
    x = 388,118,950,900.88/746,539.80
  6. Step 6: Final answer
    x = 519,890.50

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Double scale
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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.