Home / 591,369.10-816,089.68-319,437.00

Finding the Fourth Proportional to 591,369.10, 816,089.68 and 319,437.00

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Solution

The fourth proportional to 591,369.10, 816,089.68 and 319,437.00 is: 440,823.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,369.10 : 816,089.68 = 319,437.00 : x
  2. Step 2: Convert to fraction form
    591,369.10/816,089.68 = 319,437.00/x
  3. Step 3: Cross multiply
    591,369.10x = 816,089.68 × 319,437.00
  4. Step 4: Simplify right side
    591,369.10x = 260,689,235,029.71
  5. Step 5: Solve for x
    x = 260,689,235,029.71/591,369.10
  6. Step 6: Final answer
    x = 440,823.23

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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.