Home / 921,365.24-1,271,527.32-539,515.04

Finding the Fourth Proportional to 921,365.24, 1,271,527.32 and 539,515.04

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Solution

The fourth proportional to 921,365.24, 1,271,527.32 and 539,515.04 is: 744,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,365.24 : 1,271,527.32 = 539,515.04 : x
  2. Step 2: Convert to fraction form
    921,365.24/1,271,527.32 = 539,515.04/x
  3. Step 3: Cross multiply
    921,365.24x = 1,271,527.32 × 539,515.04
  4. Step 4: Simplify right side
    921,365.24x = 686,008,112,910.89
  5. Step 5: Solve for x
    x = 686,008,112,910.89/921,365.24
  6. Step 6: Final answer
    x = 744,556.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.