Home / 1,579,116.15-2,369,725.40-859,639.45

Finding the Fourth Proportional to 1,579,116.15, 2,369,725.40 and 859,639.45

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Solution

The fourth proportional to 1,579,116.15, 2,369,725.40 and 859,639.45 is: 1,290,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,116.15 : 2,369,725.40 = 859,639.45 : x
  2. Step 2: Convert to fraction form
    1,579,116.15/2,369,725.40 = 859,639.45/x
  3. Step 3: Cross multiply
    1,579,116.15x = 2,369,725.40 × 859,639.45
  4. Step 4: Simplify right side
    1,579,116.15x = 2,037,109,439,507.03
  5. Step 5: Solve for x
    x = 2,037,109,439,507.03/1,579,116.15
  6. Step 6: Final answer
    x = 1,290,031.41

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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.