Home / 699,366.20-1,049,176.14-289,036.19

Finding the Fourth Proportional to 699,366.20, 1,049,176.14 and 289,036.19

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Solution

The fourth proportional to 699,366.20, 1,049,176.14 and 289,036.19 is: 433,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,366.20 : 1,049,176.14 = 289,036.19 : x
  2. Step 2: Convert to fraction form
    699,366.20/1,049,176.14 = 289,036.19/x
  3. Step 3: Cross multiply
    699,366.20x = 1,049,176.14 × 289,036.19
  4. Step 4: Simplify right side
    699,366.20x = 303,249,874,144.51
  5. Step 5: Solve for x
    x = 303,249,874,144.51/699,366.20
  6. Step 6: Final answer
    x = 433,606.71

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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.