Home / 875,922.56-1,208,544.35-513,151.40

Finding the Fourth Proportional to 875,922.56, 1,208,544.35 and 513,151.40

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Solution

The fourth proportional to 875,922.56, 1,208,544.35 and 513,151.40 is: 708,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,922.56 : 1,208,544.35 = 513,151.40 : x
  2. Step 2: Convert to fraction form
    875,922.56/1,208,544.35 = 513,151.40/x
  3. Step 3: Cross multiply
    875,922.56x = 1,208,544.35 × 513,151.40
  4. Step 4: Simplify right side
    875,922.56x = 620,166,216,556.11
  5. Step 5: Solve for x
    x = 620,166,216,556.11/875,922.56
  6. Step 6: Final answer
    x = 708,014.90

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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.