Home / 632,913.40-949,374.06-258,936.40

Finding the Fourth Proportional to 632,913.40, 949,374.06 and 258,936.40

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Solution

The fourth proportional to 632,913.40, 949,374.06 and 258,936.40 is: 388,406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,913.40 : 949,374.06 = 258,936.40 : x
  2. Step 2: Convert to fraction form
    632,913.40/949,374.06 = 258,936.40/x
  3. Step 3: Cross multiply
    632,913.40x = 949,374.06 × 258,936.40
  4. Step 4: Simplify right side
    632,913.40x = 245,827,501,349.78
  5. Step 5: Solve for x
    x = 245,827,501,349.78/632,913.40
  6. Step 6: Final answer
    x = 388,406.22

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1.5x scale

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.