Home / 1,135,910.77-1,567,561.33-619,675.69

Finding the Fourth Proportional to 1,135,910.77, 1,567,561.33 and 619,675.69

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Solution

The fourth proportional to 1,135,910.77, 1,567,561.33 and 619,675.69 is: 855,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,910.77 : 1,567,561.33 = 619,675.69 : x
  2. Step 2: Convert to fraction form
    1,135,910.77/1,567,561.33 = 619,675.69/x
  3. Step 3: Cross multiply
    1,135,910.77x = 1,567,561.33 × 619,675.69
  4. Step 4: Simplify right side
    1,135,910.77x = 971,379,648,785.07
  5. Step 5: Solve for x
    x = 971,379,648,785.07/1,135,910.77
  6. Step 6: Final answer
    x = 855,154.89

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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.