Home / 1,025,510.61-1,538,716.92-545,625.57

Finding the Fourth Proportional to 1,025,510.61, 1,538,716.92 and 545,625.57

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Solution

The fourth proportional to 1,025,510.61, 1,538,716.92 and 545,625.57 is: 818,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,510.61 : 1,538,716.92 = 545,625.57 : x
  2. Step 2: Convert to fraction form
    1,025,510.61/1,538,716.92 = 545,625.57/x
  3. Step 3: Cross multiply
    1,025,510.61x = 1,538,716.92 × 545,625.57
  4. Step 4: Simplify right side
    1,025,510.61x = 839,563,296,543.64
  5. Step 5: Solve for x
    x = 839,563,296,543.64/1,025,510.61
  6. Step 6: Final answer
    x = 818,678.31

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1.5x scale

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.