Home / 1,162,005.71-1,601,877.84-812,059.65

Finding the Fourth Proportional to 1,162,005.71, 1,601,877.84 and 812,059.65

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Solution

The fourth proportional to 1,162,005.71, 1,601,877.84 and 812,059.65 is: 1,119,461.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,005.71 : 1,601,877.84 = 812,059.65 : x
  2. Step 2: Convert to fraction form
    1,162,005.71/1,601,877.84 = 812,059.65/x
  3. Step 3: Cross multiply
    1,162,005.71x = 1,601,877.84 × 812,059.65
  4. Step 4: Simplify right side
    1,162,005.71x = 1,300,820,358,093.16
  5. Step 5: Solve for x
    x = 1,300,820,358,093.16/1,162,005.71
  6. Step 6: Final answer
    x = 1,119,461.25

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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.