Home / 996,871.56-1,487,678.63-890,495.88

Finding the Fourth Proportional to 996,871.56, 1,487,678.63 and 890,495.88

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Solution

The fourth proportional to 996,871.56, 1,487,678.63 and 890,495.88 is: 1,328,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,871.56 : 1,487,678.63 = 890,495.88 : x
  2. Step 2: Convert to fraction form
    996,871.56/1,487,678.63 = 890,495.88/x
  3. Step 3: Cross multiply
    996,871.56x = 1,487,678.63 × 890,495.88
  4. Step 4: Simplify right side
    996,871.56x = 1,324,771,690,779.04
  5. Step 5: Solve for x
    x = 1,324,771,690,779.04/996,871.56
  6. Step 6: Final answer
    x = 1,328,929.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.