Home / 826,305.32-1,140,323.96-463,751.65

Finding the Fourth Proportional to 826,305.32, 1,140,323.96 and 463,751.65

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Solution

The fourth proportional to 826,305.32, 1,140,323.96 and 463,751.65 is: 639,989.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,305.32 : 1,140,323.96 = 463,751.65 : x
  2. Step 2: Convert to fraction form
    826,305.32/1,140,323.96 = 463,751.65/x
  3. Step 3: Cross multiply
    826,305.32x = 1,140,323.96 × 463,751.65
  4. Step 4: Simplify right side
    826,305.32x = 528,827,112,814.97
  5. Step 5: Solve for x
    x = 528,827,112,814.97/826,305.32
  6. Step 6: Final answer
    x = 639,989.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.