Home / 1,049,639.60-1,572,126.60-812,212.40

Finding the Fourth Proportional to 1,049,639.60, 1,572,126.60 and 812,212.40

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Solution

The fourth proportional to 1,049,639.60, 1,572,126.60 and 812,212.40 is: 1,216,513.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,639.60 : 1,572,126.60 = 812,212.40 : x
  2. Step 2: Convert to fraction form
    1,049,639.60/1,572,126.60 = 812,212.40/x
  3. Step 3: Cross multiply
    1,049,639.60x = 1,572,126.60 × 812,212.40
  4. Step 4: Simplify right side
    1,049,639.60x = 1,276,900,718,889.84
  5. Step 5: Solve for x
    x = 1,276,900,718,889.84/1,049,639.60
  6. Step 6: Final answer
    x = 1,216,513.48

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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.