Home / 346,575.18-519,137.56-278,740.59

Finding the Fourth Proportional to 346,575.18, 519,137.56 and 278,740.59

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Solution

The fourth proportional to 346,575.18, 519,137.56 and 278,740.59 is: 417,527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,575.18 : 519,137.56 = 278,740.59 : x
  2. Step 2: Convert to fraction form
    346,575.18/519,137.56 = 278,740.59/x
  3. Step 3: Cross multiply
    346,575.18x = 519,137.56 × 278,740.59
  4. Step 4: Simplify right side
    346,575.18x = 144,704,705,776.17
  5. Step 5: Solve for x
    x = 144,704,705,776.17/346,575.18
  6. Step 6: Final answer
    x = 417,527.61

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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.