Home / 853,429.36-1,177,689-471,382.24

Finding the Fourth Proportional to 853,429.36, 1,177,689 and 471,382.24

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Solution

The fourth proportional to 853,429.36, 1,177,689 and 471,382.24 is: 650,483.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,429.36 : 1,177,689 = 471,382.24 : x
  2. Step 2: Convert to fraction form
    853,429.36/1,177,689 = 471,382.24/x
  3. Step 3: Cross multiply
    853,429.36x = 1,177,689 × 471,382.24
  4. Step 4: Simplify right side
    853,429.36x = 555,141,678,843.36
  5. Step 5: Solve for x
    x = 555,141,678,843.36/853,429.36
  6. Step 6: Final answer
    x = 650,483.46

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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.