Home / 1,174,811.52-1,621,303.98-665,613.12

Finding the Fourth Proportional to 1,174,811.52, 1,621,303.98 and 665,613.12

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Solution

The fourth proportional to 1,174,811.52, 1,621,303.98 and 665,613.12 is: 918,582.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,811.52 : 1,621,303.98 = 665,613.12 : x
  2. Step 2: Convert to fraction form
    1,174,811.52/1,621,303.98 = 665,613.12/x
  3. Step 3: Cross multiply
    1,174,811.52x = 1,621,303.98 × 665,613.12
  4. Step 4: Simplify right side
    1,174,811.52x = 1,079,161,200,596.22
  5. Step 5: Solve for x
    x = 1,079,161,200,596.22/1,174,811.52
  6. Step 6: Final answer
    x = 918,582.41

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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.