Home / 855,911.54-1,181,143.50-473,930.12

Finding the Fourth Proportional to 855,911.54, 1,181,143.50 and 473,930.12

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Solution

The fourth proportional to 855,911.54, 1,181,143.50 and 473,930.12 is: 654,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,911.54 : 1,181,143.50 = 473,930.12 : x
  2. Step 2: Convert to fraction form
    855,911.54/1,181,143.50 = 473,930.12/x
  3. Step 3: Cross multiply
    855,911.54x = 1,181,143.50 × 473,930.12
  4. Step 4: Simplify right side
    855,911.54x = 559,779,480,692.22
  5. Step 5: Solve for x
    x = 559,779,480,692.22/855,911.54
  6. Step 6: Final answer
    x = 654,015.58

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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.