Home / 780,130.41-1,170,111.78-529,022.72

Finding the Fourth Proportional to 780,130.41, 1,170,111.78 and 529,022.72

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Solution

The fourth proportional to 780,130.41, 1,170,111.78 and 529,022.72 is: 793,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,130.41 : 1,170,111.78 = 529,022.72 : x
  2. Step 2: Convert to fraction form
    780,130.41/1,170,111.78 = 529,022.72/x
  3. Step 3: Cross multiply
    780,130.41x = 1,170,111.78 × 529,022.72
  4. Step 4: Simplify right side
    780,130.41x = 619,015,710,709.08
  5. Step 5: Solve for x
    x = 619,015,710,709.08/780,130.41
  6. Step 6: Final answer
    x = 793,477.22

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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.