Home / 851,681.11-1,174,241.59-561,247.51

Finding the Fourth Proportional to 851,681.11, 1,174,241.59 and 561,247.51

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Solution

The fourth proportional to 851,681.11, 1,174,241.59 and 561,247.51 is: 773,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,681.11 : 1,174,241.59 = 561,247.51 : x
  2. Step 2: Convert to fraction form
    851,681.11/1,174,241.59 = 561,247.51/x
  3. Step 3: Cross multiply
    851,681.11x = 1,174,241.59 × 561,247.51
  4. Step 4: Simplify right side
    851,681.11x = 659,040,168,525.94
  5. Step 5: Solve for x
    x = 659,040,168,525.94/851,681.11
  6. Step 6: Final answer
    x = 773,810.95

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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.