Home / 346,941.70-520,412.55-110,308.30

Finding the Fourth Proportional to 346,941.70, 520,412.55 and 110,308.30

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Solution

The fourth proportional to 346,941.70, 520,412.55 and 110,308.30 is: 165,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,941.70 : 520,412.55 = 110,308.30 : x
  2. Step 2: Convert to fraction form
    346,941.70/520,412.55 = 110,308.30/x
  3. Step 3: Cross multiply
    346,941.70x = 520,412.55 × 110,308.30
  4. Step 4: Simplify right side
    346,941.70x = 57,405,823,689.17
  5. Step 5: Solve for x
    x = 57,405,823,689.17/346,941.70
  6. Step 6: Final answer
    x = 165,462.45

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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.