Home / 712,512.48-1,068,669.36-180,000.48

Finding the Fourth Proportional to 712,512.48, 1,068,669.36 and 180,000.48

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Solution

The fourth proportional to 712,512.48, 1,068,669.36 and 180,000.48 is: 269,975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,512.48 : 1,068,669.36 = 180,000.48 : x
  2. Step 2: Convert to fraction form
    712,512.48/1,068,669.36 = 180,000.48/x
  3. Step 3: Cross multiply
    712,512.48x = 1,068,669.36 × 180,000.48
  4. Step 4: Simplify right side
    712,512.48x = 192,360,997,761.29
  5. Step 5: Solve for x
    x = 192,360,997,761.29/712,512.48
  6. Step 6: Final answer
    x = 269,975.62

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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.