Home / 1,621,903.32-2,238,211.80-896,769.72

Finding the Fourth Proportional to 1,621,903.32, 2,238,211.80 and 896,769.72

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Solution

The fourth proportional to 1,621,903.32, 2,238,211.80 and 896,769.72 is: 1,237,534.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,903.32 : 2,238,211.80 = 896,769.72 : x
  2. Step 2: Convert to fraction form
    1,621,903.32/2,238,211.80 = 896,769.72/x
  3. Step 3: Cross multiply
    1,621,903.32x = 2,238,211.80 × 896,769.72
  4. Step 4: Simplify right side
    1,621,903.32x = 2,007,160,569,186.70
  5. Step 5: Solve for x
    x = 2,007,160,569,186.70/1,621,903.32
  6. Step 6: Final answer
    x = 1,237,534.04

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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.