Home / 790,218.09-1,185,330.21-191,178.29

Finding the Fourth Proportional to 790,218.09, 1,185,330.21 and 191,178.29

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Solution

The fourth proportional to 790,218.09, 1,185,330.21 and 191,178.29 is: 286,768.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,218.09 : 1,185,330.21 = 191,178.29 : x
  2. Step 2: Convert to fraction form
    790,218.09/1,185,330.21 = 191,178.29/x
  3. Step 3: Cross multiply
    790,218.09x = 1,185,330.21 × 191,178.29
  4. Step 4: Simplify right side
    790,218.09x = 226,609,402,633.14
  5. Step 5: Solve for x
    x = 226,609,402,633.14/790,218.09
  6. Step 6: Final answer
    x = 286,768.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.