Home / 1,257,056.64-1,885,696.20-358,479.36

Finding the Fourth Proportional to 1,257,056.64, 1,885,696.20 and 358,479.36

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Solution

The fourth proportional to 1,257,056.64, 1,885,696.20 and 358,479.36 is: 537,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,056.64 : 1,885,696.20 = 358,479.36 : x
  2. Step 2: Convert to fraction form
    1,257,056.64/1,885,696.20 = 358,479.36/x
  3. Step 3: Cross multiply
    1,257,056.64x = 1,885,696.20 × 358,479.36
  4. Step 4: Simplify right side
    1,257,056.64x = 675,983,166,930.43
  5. Step 5: Solve for x
    x = 675,983,166,930.43/1,257,056.64
  6. Step 6: Final answer
    x = 537,750.76

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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.