Home / 1,225,827.20-1,838,740.80-694,386.20

Finding the Fourth Proportional to 1,225,827.20, 1,838,740.80 and 694,386.20

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Solution

The fourth proportional to 1,225,827.20, 1,838,740.80 and 694,386.20 is: 1,041,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,827.20 : 1,838,740.80 = 694,386.20 : x
  2. Step 2: Convert to fraction form
    1,225,827.20/1,838,740.80 = 694,386.20/x
  3. Step 3: Cross multiply
    1,225,827.20x = 1,838,740.80 × 694,386.20
  4. Step 4: Simplify right side
    1,225,827.20x = 1,276,796,236,896.96
  5. Step 5: Solve for x
    x = 1,276,796,236,896.96/1,225,827.20
  6. Step 6: Final answer
    x = 1,041,579.30

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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.