Home / 1,535,432.51-2,118,959.64-847,183.61

Finding the Fourth Proportional to 1,535,432.51, 2,118,959.64 and 847,183.61

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Solution

The fourth proportional to 1,535,432.51, 2,118,959.64 and 847,183.61 is: 1,169,148.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,432.51 : 2,118,959.64 = 847,183.61 : x
  2. Step 2: Convert to fraction form
    1,535,432.51/2,118,959.64 = 847,183.61/x
  3. Step 3: Cross multiply
    1,535,432.51x = 2,118,959.64 × 847,183.61
  4. Step 4: Simplify right side
    1,535,432.51x = 1,795,147,866,664.70
  5. Step 5: Solve for x
    x = 1,795,147,866,664.70/1,535,432.51
  6. Step 6: Final answer
    x = 1,169,148.02

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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.