Home / 875,246.15-1,310,244.83-520,077.35

Finding the Fourth Proportional to 875,246.15, 1,310,244.83 and 520,077.35

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Solution

The fourth proportional to 875,246.15, 1,310,244.83 and 520,077.35 is: 778,556.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,246.15 : 1,310,244.83 = 520,077.35 : x
  2. Step 2: Convert to fraction form
    875,246.15/1,310,244.83 = 520,077.35/x
  3. Step 3: Cross multiply
    875,246.15x = 1,310,244.83 × 520,077.35
  4. Step 4: Simplify right side
    875,246.15x = 681,428,656,437.21
  5. Step 5: Solve for x
    x = 681,428,656,437.21/875,246.15
  6. Step 6: Final answer
    x = 778,556.59

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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.