Home / 1,210,184.40-1,815,276.60-412,366.80

Finding the Fourth Proportional to 1,210,184.40, 1,815,276.60 and 412,366.80

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Solution

The fourth proportional to 1,210,184.40, 1,815,276.60 and 412,366.80 is: 618,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,184.40 : 1,815,276.60 = 412,366.80 : x
  2. Step 2: Convert to fraction form
    1,210,184.40/1,815,276.60 = 412,366.80/x
  3. Step 3: Cross multiply
    1,210,184.40x = 1,815,276.60 × 412,366.80
  4. Step 4: Simplify right side
    1,210,184.40x = 748,559,802,656.88
  5. Step 5: Solve for x
    x = 748,559,802,656.88/1,210,184.40
  6. Step 6: Final answer
    x = 618,550.20

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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.