Home / 696,737.55-1,045,136.70-191,285.40

Finding the Fourth Proportional to 696,737.55, 1,045,136.70 and 191,285.40

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Solution

The fourth proportional to 696,737.55, 1,045,136.70 and 191,285.40 is: 286,936.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,737.55 : 1,045,136.70 = 191,285.40 : x
  2. Step 2: Convert to fraction form
    696,737.55/1,045,136.70 = 191,285.40/x
  3. Step 3: Cross multiply
    696,737.55x = 1,045,136.70 × 191,285.40
  4. Step 4: Simplify right side
    696,737.55x = 199,919,391,714.18
  5. Step 5: Solve for x
    x = 199,919,391,714.18/696,737.55
  6. Step 6: Final answer
    x = 286,936.44

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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.