Home / 783,333.32-1,080,987.54-461,005.16

Finding the Fourth Proportional to 783,333.32, 1,080,987.54 and 461,005.16

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Solution

The fourth proportional to 783,333.32, 1,080,987.54 and 461,005.16 is: 636,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,333.32 : 1,080,987.54 = 461,005.16 : x
  2. Step 2: Convert to fraction form
    783,333.32/1,080,987.54 = 461,005.16/x
  3. Step 3: Cross multiply
    783,333.32x = 1,080,987.54 × 461,005.16
  4. Step 4: Simplify right side
    783,333.32x = 498,340,833,835.71
  5. Step 5: Solve for x
    x = 498,340,833,835.71/783,333.32
  6. Step 6: Final answer
    x = 636,179.80

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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.