Home / 1,617,686.40-2,426,189.40-818,216.40

Finding the Fourth Proportional to 1,617,686.40, 2,426,189.40 and 818,216.40

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Solution

The fourth proportional to 1,617,686.40, 2,426,189.40 and 818,216.40 is: 1,227,152.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,686.40 : 2,426,189.40 = 818,216.40 : x
  2. Step 2: Convert to fraction form
    1,617,686.40/2,426,189.40 = 818,216.40/x
  3. Step 3: Cross multiply
    1,617,686.40x = 2,426,189.40 × 818,216.40
  4. Step 4: Simplify right side
    1,617,686.40x = 1,985,147,956,586.16
  5. Step 5: Solve for x
    x = 1,985,147,956,586.16/1,617,686.40
  6. Step 6: Final answer
    x = 1,227,152.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.