Home / 985,771.35-1,360,405.80-556,051.37

Finding the Fourth Proportional to 985,771.35, 1,360,405.80 and 556,051.37

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Solution

The fourth proportional to 985,771.35, 1,360,405.80 and 556,051.37 is: 767,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,771.35 : 1,360,405.80 = 556,051.37 : x
  2. Step 2: Convert to fraction form
    985,771.35/1,360,405.80 = 556,051.37/x
  3. Step 3: Cross multiply
    985,771.35x = 1,360,405.80 × 556,051.37
  4. Step 4: Simplify right side
    985,771.35x = 756,455,502,043.92
  5. Step 5: Solve for x
    x = 756,455,502,043.92/985,771.35
  6. Step 6: Final answer
    x = 767,374.20

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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.