Home / 985,695.01-1,360,322.57-555,965.91

Finding the Fourth Proportional to 985,695.01, 1,360,322.57 and 555,965.91

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Solution

The fourth proportional to 985,695.01, 1,360,322.57 and 555,965.91 is: 767,268.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,695.01 : 1,360,322.57 = 555,965.91 : x
  2. Step 2: Convert to fraction form
    985,695.01/1,360,322.57 = 555,965.91/x
  3. Step 3: Cross multiply
    985,695.01x = 1,360,322.57 × 555,965.91
  4. Step 4: Simplify right side
    985,695.01x = 756,292,976,913.50
  5. Step 5: Solve for x
    x = 756,292,976,913.50/985,695.01
  6. Step 6: Final answer
    x = 767,268.75

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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.