Home / 1,578,868.64-2,364,891.24-829,340

Finding the Fourth Proportional to 1,578,868.64, 2,364,891.24 and 829,340

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Solution

The fourth proportional to 1,578,868.64, 2,364,891.24 and 829,340 is: 1,242,217.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,868.64 : 2,364,891.24 = 829,340 : x
  2. Step 2: Convert to fraction form
    1,578,868.64/2,364,891.24 = 829,340/x
  3. Step 3: Cross multiply
    1,578,868.64x = 2,364,891.24 × 829,340
  4. Step 4: Simplify right side
    1,578,868.64x = 1,961,298,900,981.60
  5. Step 5: Solve for x
    x = 1,961,298,900,981.60/1,578,868.64
  6. Step 6: Final answer
    x = 1,242,217.91

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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.