Home / 571,868.96-789,273.76-317,302.16

Finding the Fourth Proportional to 571,868.96, 789,273.76 and 317,302.16

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Solution

The fourth proportional to 571,868.96, 789,273.76 and 317,302.16 is: 437,929.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,868.96 : 789,273.76 = 317,302.16 : x
  2. Step 2: Convert to fraction form
    571,868.96/789,273.76 = 317,302.16/x
  3. Step 3: Cross multiply
    571,868.96x = 789,273.76 × 317,302.16
  4. Step 4: Simplify right side
    571,868.96x = 250,438,268,879.32
  5. Step 5: Solve for x
    x = 250,438,268,879.32/571,868.96
  6. Step 6: Final answer
    x = 437,929.47

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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.