Home / 891,990.14-1,230,947.03-484,091.89

Finding the Fourth Proportional to 891,990.14, 1,230,947.03 and 484,091.89

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Solution

The fourth proportional to 891,990.14, 1,230,947.03 and 484,091.89 is: 668,047.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,990.14 : 1,230,947.03 = 484,091.89 : x
  2. Step 2: Convert to fraction form
    891,990.14/1,230,947.03 = 484,091.89/x
  3. Step 3: Cross multiply
    891,990.14x = 1,230,947.03 × 484,091.89
  4. Step 4: Simplify right side
    891,990.14x = 595,891,476,576.51
  5. Step 5: Solve for x
    x = 595,891,476,576.51/891,990.14
  6. Step 6: Final answer
    x = 668,047.16

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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.