Home / 508,948.40-763,714.20-193,631.60

Finding the Fourth Proportional to 508,948.40, 763,714.20 and 193,631.60

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Solution

The fourth proportional to 508,948.40, 763,714.20 and 193,631.60 is: 290,558.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,948.40 : 763,714.20 = 193,631.60 : x
  2. Step 2: Convert to fraction form
    508,948.40/763,714.20 = 193,631.60/x
  3. Step 3: Cross multiply
    508,948.40x = 763,714.20 × 193,631.60
  4. Step 4: Simplify right side
    508,948.40x = 147,879,202,488.72
  5. Step 5: Solve for x
    x = 147,879,202,488.72/508,948.40
  6. Step 6: Final answer
    x = 290,558.34

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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.