Home / 876,111.90-1,313,649.45-456,207.90

Finding the Fourth Proportional to 876,111.90, 1,313,649.45 and 456,207.90

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Solution

The fourth proportional to 876,111.90, 1,313,649.45 and 456,207.90 is: 684,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,111.90 : 1,313,649.45 = 456,207.90 : x
  2. Step 2: Convert to fraction form
    876,111.90/1,313,649.45 = 456,207.90/x
  3. Step 3: Cross multiply
    876,111.90x = 1,313,649.45 × 456,207.90
  4. Step 4: Simplify right side
    876,111.90x = 599,297,256,920.66
  5. Step 5: Solve for x
    x = 599,297,256,920.66/876,111.90
  6. Step 6: Final answer
    x = 684,041.91

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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.