Home / 1,247,313.88-1,870,944.90-499,159

Finding the Fourth Proportional to 1,247,313.88, 1,870,944.90 and 499,159

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Solution

The fourth proportional to 1,247,313.88, 1,870,944.90 and 499,159 is: 748,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,313.88 : 1,870,944.90 = 499,159 : x
  2. Step 2: Convert to fraction form
    1,247,313.88/1,870,944.90 = 499,159/x
  3. Step 3: Cross multiply
    1,247,313.88x = 1,870,944.90 × 499,159
  4. Step 4: Simplify right side
    1,247,313.88x = 933,898,985,339.10
  5. Step 5: Solve for x
    x = 933,898,985,339.10/1,247,313.88
  6. Step 6: Final answer
    x = 748,728.13

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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.