Home / 840,327.36-1,160,079.84-648,911.04

Finding the Fourth Proportional to 840,327.36, 1,160,079.84 and 648,911.04

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Solution

The fourth proportional to 840,327.36, 1,160,079.84 and 648,911.04 is: 895,827.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,327.36 : 1,160,079.84 = 648,911.04 : x
  2. Step 2: Convert to fraction form
    840,327.36/1,160,079.84 = 648,911.04/x
  3. Step 3: Cross multiply
    840,327.36x = 1,160,079.84 × 648,911.04
  4. Step 4: Simplify right side
    840,327.36x = 752,788,615,457.43
  5. Step 5: Solve for x
    x = 752,788,615,457.43/840,327.36
  6. Step 6: Final answer
    x = 895,827.81

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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.