Home / 1,257,239.64-1,886,036.28-404,025.60

Finding the Fourth Proportional to 1,257,239.64, 1,886,036.28 and 404,025.60

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Solution

The fourth proportional to 1,257,239.64, 1,886,036.28 and 404,025.60 is: 606,095.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,239.64 : 1,886,036.28 = 404,025.60 : x
  2. Step 2: Convert to fraction form
    1,257,239.64/1,886,036.28 = 404,025.60/x
  3. Step 3: Cross multiply
    1,257,239.64x = 1,886,036.28 × 404,025.60
  4. Step 4: Simplify right side
    1,257,239.64x = 762,006,939,648.77
  5. Step 5: Solve for x
    x = 762,006,939,648.77/1,257,239.64
  6. Step 6: Final answer
    x = 606,095.22

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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.