Home / 959,471.65-1,439,656.90-472,888.54

Finding the Fourth Proportional to 959,471.65, 1,439,656.90 and 472,888.54

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Solution

The fourth proportional to 959,471.65, 1,439,656.90 and 472,888.54 is: 709,554.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,471.65 : 1,439,656.90 = 472,888.54 : x
  2. Step 2: Convert to fraction form
    959,471.65/1,439,656.90 = 472,888.54/x
  3. Step 3: Cross multiply
    959,471.65x = 1,439,656.90 × 472,888.54
  4. Step 4: Simplify right side
    959,471.65x = 680,797,243,405.96
  5. Step 5: Solve for x
    x = 680,797,243,405.96/959,471.65
  6. Step 6: Final answer
    x = 709,554.31

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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.