Home / 976,216.07-1,463,763.47-520,245.92

Finding the Fourth Proportional to 976,216.07, 1,463,763.47 and 520,245.92

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Solution

The fourth proportional to 976,216.07, 1,463,763.47 and 520,245.92 is: 780,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,216.07 : 1,463,763.47 = 520,245.92 : x
  2. Step 2: Convert to fraction form
    976,216.07/1,463,763.47 = 520,245.92/x
  3. Step 3: Cross multiply
    976,216.07x = 1,463,763.47 × 520,245.92
  4. Step 4: Simplify right side
    976,216.07x = 761,516,963,192.50
  5. Step 5: Solve for x
    x = 761,516,963,192.50/976,216.07
  6. Step 6: Final answer
    x = 780,070.10

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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.