Home / 380,278.40-570,547.20-114,045.44

Finding the Fourth Proportional to 380,278.40, 570,547.20 and 114,045.44

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Solution

The fourth proportional to 380,278.40, 570,547.20 and 114,045.44 is: 171,107.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,278.40 : 570,547.20 = 114,045.44 : x
  2. Step 2: Convert to fraction form
    380,278.40/570,547.20 = 114,045.44/x
  3. Step 3: Cross multiply
    380,278.40x = 570,547.20 × 114,045.44
  4. Step 4: Simplify right side
    380,278.40x = 65,068,306,464.77
  5. Step 5: Solve for x
    x = 65,068,306,464.77/380,278.40
  6. Step 6: Final answer
    x = 171,107.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.