Home / 1,049,646.60-1,572,137.10-812,219.40

Finding the Fourth Proportional to 1,049,646.60, 1,572,137.10 and 812,219.40

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Solution

The fourth proportional to 1,049,646.60, 1,572,137.10 and 812,219.40 is: 1,216,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,646.60 : 1,572,137.10 = 812,219.40 : x
  2. Step 2: Convert to fraction form
    1,049,646.60/1,572,137.10 = 812,219.40/x
  3. Step 3: Cross multiply
    1,049,646.60x = 1,572,137.10 × 812,219.40
  4. Step 4: Simplify right side
    1,049,646.60x = 1,276,920,252,079.74
  5. Step 5: Solve for x
    x = 1,276,920,252,079.74/1,049,646.60
  6. Step 6: Final answer
    x = 1,216,523.97

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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.