Home / 346,723.60-520,085.40-323,395.60

Finding the Fourth Proportional to 346,723.60, 520,085.40 and 323,395.60

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Solution

The fourth proportional to 346,723.60, 520,085.40 and 323,395.60 is: 485,093.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,723.60 : 520,085.40 = 323,395.60 : x
  2. Step 2: Convert to fraction form
    346,723.60/520,085.40 = 323,395.60/x
  3. Step 3: Cross multiply
    346,723.60x = 520,085.40 × 323,395.60
  4. Step 4: Simplify right side
    346,723.60x = 168,193,329,984.24
  5. Step 5: Solve for x
    x = 168,193,329,984.24/346,723.60
  6. Step 6: Final answer
    x = 485,093.40

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1.5x scale

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.