Home / 1,606,336.47-2,216,723.63-918,000.43

Finding the Fourth Proportional to 1,606,336.47, 2,216,723.63 and 918,000.43

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Solution

The fourth proportional to 1,606,336.47, 2,216,723.63 and 918,000.43 is: 1,266,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,336.47 : 2,216,723.63 = 918,000.43 : x
  2. Step 2: Convert to fraction form
    1,606,336.47/2,216,723.63 = 918,000.43/x
  3. Step 3: Cross multiply
    1,606,336.47x = 2,216,723.63 × 918,000.43
  4. Step 4: Simplify right side
    1,606,336.47x = 2,034,953,235,399.35
  5. Step 5: Solve for x
    x = 2,034,953,235,399.35/1,606,336.47
  6. Step 6: Final answer
    x = 1,266,828.76

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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.