Home / 1,311,193.50-1,967,140.16-469,830.30

Finding the Fourth Proportional to 1,311,193.50, 1,967,140.16 and 469,830.30

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Solution

The fourth proportional to 1,311,193.50, 1,967,140.16 and 469,830.30 is: 704,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,193.50 : 1,967,140.16 = 469,830.30 : x
  2. Step 2: Convert to fraction form
    1,311,193.50/1,967,140.16 = 469,830.30/x
  3. Step 3: Cross multiply
    1,311,193.50x = 1,967,140.16 × 469,830.30
  4. Step 4: Simplify right side
    1,311,193.50x = 924,222,051,514.85
  5. Step 5: Solve for x
    x = 924,222,051,514.85/1,311,193.50
  6. Step 6: Final answer
    x = 704,870.83

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Double scale
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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.