Home / 1,150,421.40-1,725,615.90-519,334.20

Finding the Fourth Proportional to 1,150,421.40, 1,725,615.90 and 519,334.20

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Solution

The fourth proportional to 1,150,421.40, 1,725,615.90 and 519,334.20 is: 778,993.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,421.40 : 1,725,615.90 = 519,334.20 : x
  2. Step 2: Convert to fraction form
    1,150,421.40/1,725,615.90 = 519,334.20/x
  3. Step 3: Cross multiply
    1,150,421.40x = 1,725,615.90 × 519,334.20
  4. Step 4: Simplify right side
    1,150,421.40x = 896,171,352,933.78
  5. Step 5: Solve for x
    x = 896,171,352,933.78/1,150,421.40
  6. Step 6: Final answer
    x = 778,993.99

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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.