Home / 761,341.41-1,141,911.87-362,235.78

Finding the Fourth Proportional to 761,341.41, 1,141,911.87 and 362,235.78

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Solution

The fourth proportional to 761,341.41, 1,141,911.87 and 362,235.78 is: 543,305.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,341.41 : 1,141,911.87 = 362,235.78 : x
  2. Step 2: Convert to fraction form
    761,341.41/1,141,911.87 = 362,235.78/x
  3. Step 3: Cross multiply
    761,341.41x = 1,141,911.87 × 362,235.78
  4. Step 4: Simplify right side
    761,341.41x = 413,641,336,920.71
  5. Step 5: Solve for x
    x = 413,641,336,920.71/761,341.41
  6. Step 6: Final answer
    x = 543,305.97

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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.