Home / 696,722.71-1,045,085.67-191,290.62

Finding the Fourth Proportional to 696,722.71, 1,045,085.67 and 191,290.62

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Solution

The fourth proportional to 696,722.71, 1,045,085.67 and 191,290.62 is: 286,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,722.71 : 1,045,085.67 = 191,290.62 : x
  2. Step 2: Convert to fraction form
    696,722.71/1,045,085.67 = 191,290.62/x
  3. Step 3: Cross multiply
    696,722.71x = 1,045,085.67 × 191,290.62
  4. Step 4: Simplify right side
    696,722.71x = 199,915,085,767.42
  5. Step 5: Solve for x
    x = 199,915,085,767.42/696,722.71
  6. Step 6: Final answer
    x = 286,936.37

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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.