Home / 1,340,329.70-2,010,300.15-393,601.70

Finding the Fourth Proportional to 1,340,329.70, 2,010,300.15 and 393,601.70

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Solution

The fourth proportional to 1,340,329.70, 2,010,300.15 and 393,601.70 is: 590,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,329.70 : 2,010,300.15 = 393,601.70 : x
  2. Step 2: Convert to fraction form
    1,340,329.70/2,010,300.15 = 393,601.70/x
  3. Step 3: Cross multiply
    1,340,329.70x = 2,010,300.15 × 393,601.70
  4. Step 4: Simplify right side
    1,340,329.70x = 791,257,556,550.26
  5. Step 5: Solve for x
    x = 791,257,556,550.26/1,340,329.70
  6. Step 6: Final answer
    x = 590,345.46

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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.