Home / 755,336.80-1,133,005.20-692,351.20

Finding the Fourth Proportional to 755,336.80, 1,133,005.20 and 692,351.20

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Solution

The fourth proportional to 755,336.80, 1,133,005.20 and 692,351.20 is: 1,038,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,336.80 : 1,133,005.20 = 692,351.20 : x
  2. Step 2: Convert to fraction form
    755,336.80/1,133,005.20 = 692,351.20/x
  3. Step 3: Cross multiply
    755,336.80x = 1,133,005.20 × 692,351.20
  4. Step 4: Simplify right side
    755,336.80x = 784,437,509,826.24
  5. Step 5: Solve for x
    x = 784,437,509,826.24/755,336.80
  6. Step 6: Final answer
    x = 1,038,526.80

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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.