Home / 1,119,613.44-1,545,010.68-636,114.72

Finding the Fourth Proportional to 1,119,613.44, 1,545,010.68 and 636,114.72

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Solution

The fourth proportional to 1,119,613.44, 1,545,010.68 and 636,114.72 is: 877,806.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,613.44 : 1,545,010.68 = 636,114.72 : x
  2. Step 2: Convert to fraction form
    1,119,613.44/1,545,010.68 = 636,114.72/x
  3. Step 3: Cross multiply
    1,119,613.44x = 1,545,010.68 × 636,114.72
  4. Step 4: Simplify right side
    1,119,613.44x = 982,804,036,105.21
  5. Step 5: Solve for x
    x = 982,804,036,105.21/1,119,613.44
  6. Step 6: Final answer
    x = 877,806.57

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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.