Home / 921,386.20-1,271,556.30-539,536

Finding the Fourth Proportional to 921,386.20, 1,271,556.30 and 539,536

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Solution

The fourth proportional to 921,386.20, 1,271,556.30 and 539,536 is: 744,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,386.20 : 1,271,556.30 = 539,536 : x
  2. Step 2: Convert to fraction form
    921,386.20/1,271,556.30 = 539,536/x
  3. Step 3: Cross multiply
    921,386.20x = 1,271,556.30 × 539,536
  4. Step 4: Simplify right side
    921,386.20x = 686,050,399,876.80
  5. Step 5: Solve for x
    x = 686,050,399,876.80/921,386.20
  6. Step 6: Final answer
    x = 744,585.06

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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.