Home / 758,833.65-1,047,408.57-500,898.87

Finding the Fourth Proportional to 758,833.65, 1,047,408.57 and 500,898.87

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Solution

The fourth proportional to 758,833.65, 1,047,408.57 and 500,898.87 is: 691,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,833.65 : 1,047,408.57 = 500,898.87 : x
  2. Step 2: Convert to fraction form
    758,833.65/1,047,408.57 = 500,898.87/x
  3. Step 3: Cross multiply
    758,833.65x = 1,047,408.57 × 500,898.87
  4. Step 4: Simplify right side
    758,833.65x = 524,645,769,141.32
  5. Step 5: Solve for x
    x = 524,645,769,141.32/758,833.65
  6. Step 6: Final answer
    x = 691,384.43

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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.