Home / 464,037.60-696,056.40-285,967.20

Finding the Fourth Proportional to 464,037.60, 696,056.40 and 285,967.20

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Solution

The fourth proportional to 464,037.60, 696,056.40 and 285,967.20 is: 428,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,037.60 : 696,056.40 = 285,967.20 : x
  2. Step 2: Convert to fraction form
    464,037.60/696,056.40 = 285,967.20/x
  3. Step 3: Cross multiply
    464,037.60x = 696,056.40 × 285,967.20
  4. Step 4: Simplify right side
    464,037.60x = 199,049,299,750.08
  5. Step 5: Solve for x
    x = 199,049,299,750.08/464,037.60
  6. Step 6: Final answer
    x = 428,950.80

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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.