Home / 709,471.81-1,063,283.59-288,255.25

Finding the Fourth Proportional to 709,471.81, 1,063,283.59 and 288,255.25

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Solution

The fourth proportional to 709,471.81, 1,063,283.59 and 288,255.25 is: 432,007.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,471.81 : 1,063,283.59 = 288,255.25 : x
  2. Step 2: Convert to fraction form
    709,471.81/1,063,283.59 = 288,255.25/x
  3. Step 3: Cross multiply
    709,471.81x = 1,063,283.59 × 288,255.25
  4. Step 4: Simplify right side
    709,471.81x = 306,497,077,056.35
  5. Step 5: Solve for x
    x = 306,497,077,056.35/709,471.81
  6. Step 6: Final answer
    x = 432,007.41

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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.