Home / 976,216.86-1,463,764.59-520,246.71

Finding the Fourth Proportional to 976,216.86, 1,463,764.59 and 520,246.71

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Solution

The fourth proportional to 976,216.86, 1,463,764.59 and 520,246.71 is: 780,071.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,216.86 : 1,463,764.59 = 520,246.71 : x
  2. Step 2: Convert to fraction form
    976,216.86/1,463,764.59 = 520,246.71/x
  3. Step 3: Cross multiply
    976,216.86x = 1,463,764.59 × 520,246.71
  4. Step 4: Simplify right side
    976,216.86x = 761,518,712,162.00
  5. Step 5: Solve for x
    x = 761,518,712,162.00/976,216.86
  6. Step 6: Final answer
    x = 780,071.26

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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.