Home / 1,129,246.56-1,558,362.87-619,981.74

Finding the Fourth Proportional to 1,129,246.56, 1,558,362.87 and 619,981.74

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Solution

The fourth proportional to 1,129,246.56, 1,558,362.87 and 619,981.74 is: 855,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,246.56 : 1,558,362.87 = 619,981.74 : x
  2. Step 2: Convert to fraction form
    1,129,246.56/1,558,362.87 = 619,981.74/x
  3. Step 3: Cross multiply
    1,129,246.56x = 1,558,362.87 × 619,981.74
  4. Step 4: Simplify right side
    1,129,246.56x = 966,156,523,693.99
  5. Step 5: Solve for x
    x = 966,156,523,693.99/1,129,246.56
  6. Step 6: Final answer
    x = 855,576.24

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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.