Home / 353,111.60-529,667.40-346,890.80

Finding the Fourth Proportional to 353,111.60, 529,667.40 and 346,890.80

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Solution

The fourth proportional to 353,111.60, 529,667.40 and 346,890.80 is: 520,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,111.60 : 529,667.40 = 346,890.80 : x
  2. Step 2: Convert to fraction form
    353,111.60/529,667.40 = 346,890.80/x
  3. Step 3: Cross multiply
    353,111.60x = 529,667.40 × 346,890.80
  4. Step 4: Simplify right side
    353,111.60x = 183,736,748,119.92
  5. Step 5: Solve for x
    x = 183,736,748,119.92/353,111.60
  6. Step 6: Final answer
    x = 520,336.20

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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.