Home / 1,243,631.40-1,864,064.70-533,538.60

Finding the Fourth Proportional to 1,243,631.40, 1,864,064.70 and 533,538.60

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Solution

The fourth proportional to 1,243,631.40, 1,864,064.70 and 533,538.60 is: 799,714.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,631.40 : 1,864,064.70 = 533,538.60 : x
  2. Step 2: Convert to fraction form
    1,243,631.40/1,864,064.70 = 533,538.60/x
  3. Step 3: Cross multiply
    1,243,631.40x = 1,864,064.70 × 533,538.60
  4. Step 4: Simplify right side
    1,243,631.40x = 994,550,470,347.42
  5. Step 5: Solve for x
    x = 994,550,470,347.42/1,243,631.40
  6. Step 6: Final answer
    x = 799,714.83

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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.