Home / 1,808,192.80-2,712,289.20-545,856.40

Finding the Fourth Proportional to 1,808,192.80, 2,712,289.20 and 545,856.40

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Solution

The fourth proportional to 1,808,192.80, 2,712,289.20 and 545,856.40 is: 818,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,192.80 : 2,712,289.20 = 545,856.40 : x
  2. Step 2: Convert to fraction form
    1,808,192.80/2,712,289.20 = 545,856.40/x
  3. Step 3: Cross multiply
    1,808,192.80x = 2,712,289.20 × 545,856.40
  4. Step 4: Simplify right side
    1,808,192.80x = 1,480,520,418,470.88
  5. Step 5: Solve for x
    x = 1,480,520,418,470.88/1,808,192.80
  6. Step 6: Final answer
    x = 818,784.60

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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.