Home / 855,918.90-1,181,168.01-473,945.69

Finding the Fourth Proportional to 855,918.90, 1,181,168.01 and 473,945.69

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Solution

The fourth proportional to 855,918.90, 1,181,168.01 and 473,945.69 is: 654,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,918.90 : 1,181,168.01 = 473,945.69 : x
  2. Step 2: Convert to fraction form
    855,918.90/1,181,168.01 = 473,945.69/x
  3. Step 3: Cross multiply
    855,918.90x = 1,181,168.01 × 473,945.69
  4. Step 4: Simplify right side
    855,918.90x = 559,809,481,599.54
  5. Step 5: Solve for x
    x = 559,809,481,599.54/855,918.90
  6. Step 6: Final answer
    x = 654,045.01

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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.