Home / 696,722.31-1,045,085.09-191,290.20

Finding the Fourth Proportional to 696,722.31, 1,045,085.09 and 191,290.20

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Solution

The fourth proportional to 696,722.31, 1,045,085.09 and 191,290.20 is: 286,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,722.31 : 1,045,085.09 = 191,290.20 : x
  2. Step 2: Convert to fraction form
    696,722.31/1,045,085.09 = 191,290.20/x
  3. Step 3: Cross multiply
    696,722.31x = 1,045,085.09 × 191,290.20
  4. Step 4: Simplify right side
    696,722.31x = 199,914,534,926.67
  5. Step 5: Solve for x
    x = 199,914,534,926.67/696,722.31
  6. Step 6: Final answer
    x = 286,935.74

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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.