Home / 570,025.08-786,291.93-376,434.72

Finding the Fourth Proportional to 570,025.08, 786,291.93 and 376,434.72

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Solution

The fourth proportional to 570,025.08, 786,291.93 and 376,434.72 is: 519,253.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,025.08 : 786,291.93 = 376,434.72 : x
  2. Step 2: Convert to fraction form
    570,025.08/786,291.93 = 376,434.72/x
  3. Step 3: Cross multiply
    570,025.08x = 786,291.93 × 376,434.72
  4. Step 4: Simplify right side
    570,025.08x = 295,987,582,507.81
  5. Step 5: Solve for x
    x = 295,987,582,507.81/570,025.08
  6. Step 6: Final answer
    x = 519,253.61

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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.