Home / 1,114,018.85-1,537,405.50-630,691.85

Finding the Fourth Proportional to 1,114,018.85, 1,537,405.50 and 630,691.85

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Solution

The fourth proportional to 1,114,018.85, 1,537,405.50 and 630,691.85 is: 870,388.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,018.85 : 1,537,405.50 = 630,691.85 : x
  2. Step 2: Convert to fraction form
    1,114,018.85/1,537,405.50 = 630,691.85/x
  3. Step 3: Cross multiply
    1,114,018.85x = 1,537,405.50 × 630,691.85
  4. Step 4: Simplify right side
    1,114,018.85x = 969,629,111,308.15
  5. Step 5: Solve for x
    x = 969,629,111,308.15/1,114,018.85
  6. Step 6: Final answer
    x = 870,388.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.