Home / 1,129,857.64-1,694,878.65-530,491.86

Finding the Fourth Proportional to 1,129,857.64, 1,694,878.65 and 530,491.86

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Solution

The fourth proportional to 1,129,857.64, 1,694,878.65 and 530,491.86 is: 795,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,857.64 : 1,694,878.65 = 530,491.86 : x
  2. Step 2: Convert to fraction form
    1,129,857.64/1,694,878.65 = 530,491.86/x
  3. Step 3: Cross multiply
    1,129,857.64x = 1,694,878.65 × 530,491.86
  4. Step 4: Simplify right side
    1,129,857.64x = 899,119,327,512.79
  5. Step 5: Solve for x
    x = 899,119,327,512.79/1,129,857.64
  6. Step 6: Final answer
    x = 795,781.08

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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.