Home / 1,527,623.65-2,108,123.50-839,289.66

Finding the Fourth Proportional to 1,527,623.65, 2,108,123.50 and 839,289.66

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Solution

The fourth proportional to 1,527,623.65, 2,108,123.50 and 839,289.66 is: 1,158,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,623.65 : 2,108,123.50 = 839,289.66 : x
  2. Step 2: Convert to fraction form
    1,527,623.65/2,108,123.50 = 839,289.66/x
  3. Step 3: Cross multiply
    1,527,623.65x = 2,108,123.50 × 839,289.66
  4. Step 4: Simplify right side
    1,527,623.65x = 1,769,326,255,553.01
  5. Step 5: Solve for x
    x = 1,769,326,255,553.01/1,527,623.65
  6. Step 6: Final answer
    x = 1,158,221.30

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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.