Home / 928,015.80-1,392,215.70-528,847.80

Finding the Fourth Proportional to 928,015.80, 1,392,215.70 and 528,847.80

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Solution

The fourth proportional to 928,015.80, 1,392,215.70 and 528,847.80 is: 793,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,015.80 : 1,392,215.70 = 528,847.80 : x
  2. Step 2: Convert to fraction form
    928,015.80/1,392,215.70 = 528,847.80/x
  3. Step 3: Cross multiply
    928,015.80x = 1,392,215.70 × 528,847.80
  4. Step 4: Simplify right side
    928,015.80x = 736,270,210,070.46
  5. Step 5: Solve for x
    x = 736,270,210,070.46/928,015.80
  6. Step 6: Final answer
    x = 793,381.11

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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.