Home / 1,112,707.80-1,669,061.70-552,835.80

Finding the Fourth Proportional to 1,112,707.80, 1,669,061.70 and 552,835.80

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Solution

The fourth proportional to 1,112,707.80, 1,669,061.70 and 552,835.80 is: 829,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,707.80 : 1,669,061.70 = 552,835.80 : x
  2. Step 2: Convert to fraction form
    1,112,707.80/1,669,061.70 = 552,835.80/x
  3. Step 3: Cross multiply
    1,112,707.80x = 1,669,061.70 × 552,835.80
  4. Step 4: Simplify right side
    1,112,707.80x = 922,717,060,168.86
  5. Step 5: Solve for x
    x = 922,717,060,168.86/1,112,707.80
  6. Step 6: Final answer
    x = 829,253.70

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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.