Home / 1,186,463.34-1,637,311.23-642,586.68

Finding the Fourth Proportional to 1,186,463.34, 1,637,311.23 and 642,586.68

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Solution

The fourth proportional to 1,186,463.34, 1,637,311.23 and 642,586.68 is: 886,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,463.34 : 1,637,311.23 = 642,586.68 : x
  2. Step 2: Convert to fraction form
    1,186,463.34/1,637,311.23 = 642,586.68/x
  3. Step 3: Cross multiply
    1,186,463.34x = 1,637,311.23 × 642,586.68
  4. Step 4: Simplify right side
    1,186,463.34x = 1,052,114,387,412.42
  5. Step 5: Solve for x
    x = 1,052,114,387,412.42/1,186,463.34
  6. Step 6: Final answer
    x = 886,765.19

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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.