Home / 921,556.56-1,380,510.08-434,571.93

Finding the Fourth Proportional to 921,556.56, 1,380,510.08 and 434,571.93

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Solution

The fourth proportional to 921,556.56, 1,380,510.08 and 434,571.93 is: 650,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,556.56 : 1,380,510.08 = 434,571.93 : x
  2. Step 2: Convert to fraction form
    921,556.56/1,380,510.08 = 434,571.93/x
  3. Step 3: Cross multiply
    921,556.56x = 1,380,510.08 × 434,571.93
  4. Step 4: Simplify right side
    921,556.56x = 599,930,927,677.20
  5. Step 5: Solve for x
    x = 599,930,927,677.20/921,556.56
  6. Step 6: Final answer
    x = 650,997.40

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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.