Home / 895,613.05-1,234,640.37-680,379.58

Finding the Fourth Proportional to 895,613.05, 1,234,640.37 and 680,379.58

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Solution

The fourth proportional to 895,613.05, 1,234,640.37 and 680,379.58 is: 937,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,613.05 : 1,234,640.37 = 680,379.58 : x
  2. Step 2: Convert to fraction form
    895,613.05/1,234,640.37 = 680,379.58/x
  3. Step 3: Cross multiply
    895,613.05x = 1,234,640.37 × 680,379.58
  4. Step 4: Simplify right side
    895,613.05x = 840,024,096,391.65
  5. Step 5: Solve for x
    x = 840,024,096,391.65/895,613.05
  6. Step 6: Final answer
    x = 937,931.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.