Home / 1,582,001.28-2,183,144.40-856,830.96

Finding the Fourth Proportional to 1,582,001.28, 2,183,144.40 and 856,830.96

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Solution

The fourth proportional to 1,582,001.28, 2,183,144.40 and 856,830.96 is: 1,182,417.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582,001.28 : 2,183,144.40 = 856,830.96 : x
  2. Step 2: Convert to fraction form
    1,582,001.28/2,183,144.40 = 856,830.96/x
  3. Step 3: Cross multiply
    1,582,001.28x = 2,183,144.40 × 856,830.96
  4. Step 4: Simplify right side
    1,582,001.28x = 1,870,585,712,070.62
  5. Step 5: Solve for x
    x = 1,870,585,712,070.62/1,582,001.28
  6. Step 6: Final answer
    x = 1,182,417.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.