Home / 761,152.40-1,141,725.24-192,538.80

Finding the Fourth Proportional to 761,152.40, 1,141,725.24 and 192,538.80

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Solution

The fourth proportional to 761,152.40, 1,141,725.24 and 192,538.80 is: 288,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,152.40 : 1,141,725.24 = 192,538.80 : x
  2. Step 2: Convert to fraction form
    761,152.40/1,141,725.24 = 192,538.80/x
  3. Step 3: Cross multiply
    761,152.40x = 1,141,725.24 × 192,538.80
  4. Step 4: Simplify right side
    761,152.40x = 219,826,407,639.31
  5. Step 5: Solve for x
    x = 219,826,407,639.31/761,152.40
  6. Step 6: Final answer
    x = 288,807.35

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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.