Home / 870,437.67-1,200,896.04-568,806.63

Finding the Fourth Proportional to 870,437.67, 1,200,896.04 and 568,806.63

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Solution

The fourth proportional to 870,437.67, 1,200,896.04 and 568,806.63 is: 784,751.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,437.67 : 1,200,896.04 = 568,806.63 : x
  2. Step 2: Convert to fraction form
    870,437.67/1,200,896.04 = 568,806.63/x
  3. Step 3: Cross multiply
    870,437.67x = 1,200,896.04 × 568,806.63
  4. Step 4: Simplify right side
    870,437.67x = 683,077,629,492.75
  5. Step 5: Solve for x
    x = 683,077,629,492.75/870,437.67
  6. Step 6: Final answer
    x = 784,751.92

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Double scale
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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.