Home / 696,717.42-1,045,077.77-191,285.32

Finding the Fourth Proportional to 696,717.42, 1,045,077.77 and 191,285.32

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Solution

The fourth proportional to 696,717.42, 1,045,077.77 and 191,285.32 is: 286,928.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,717.42 : 1,045,077.77 = 191,285.32 : x
  2. Step 2: Convert to fraction form
    696,717.42/1,045,077.77 = 191,285.32/x
  3. Step 3: Cross multiply
    696,717.42x = 1,045,077.77 × 191,285.32
  4. Step 4: Simplify right side
    696,717.42x = 199,908,037,885.67
  5. Step 5: Solve for x
    x = 199,908,037,885.67/696,717.42
  6. Step 6: Final answer
    x = 286,928.43

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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.