Home / 1,277,210.80-1,913,742.60-803,047.60

Finding the Fourth Proportional to 1,277,210.80, 1,913,742.60 and 803,047.60

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Solution

The fourth proportional to 1,277,210.80, 1,913,742.60 and 803,047.60 is: 1,203,267.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,210.80 : 1,913,742.60 = 803,047.60 : x
  2. Step 2: Convert to fraction form
    1,277,210.80/1,913,742.60 = 803,047.60/x
  3. Step 3: Cross multiply
    1,277,210.80x = 1,913,742.60 × 803,047.60
  4. Step 4: Simplify right side
    1,277,210.80x = 1,536,826,401,947.76
  5. Step 5: Solve for x
    x = 1,536,826,401,947.76/1,277,210.80
  6. Step 6: Final answer
    x = 1,203,267.62

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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.