Home / 1,807,336.80-2,711,005.20-545,000.40

Finding the Fourth Proportional to 1,807,336.80, 2,711,005.20 and 545,000.40

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Solution

The fourth proportional to 1,807,336.80, 2,711,005.20 and 545,000.40 is: 817,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,336.80 : 2,711,005.20 = 545,000.40 : x
  2. Step 2: Convert to fraction form
    1,807,336.80/2,711,005.20 = 545,000.40/x
  3. Step 3: Cross multiply
    1,807,336.80x = 2,711,005.20 × 545,000.40
  4. Step 4: Simplify right side
    1,807,336.80x = 1,477,498,918,402.08
  5. Step 5: Solve for x
    x = 1,477,498,918,402.08/1,807,336.80
  6. Step 6: Final answer
    x = 817,500.60

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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.