Home / 850,855.04-1,174,164.86-463,673.91

Finding the Fourth Proportional to 850,855.04, 1,174,164.86 and 463,673.91

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Solution

The fourth proportional to 850,855.04, 1,174,164.86 and 463,673.91 is: 639,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,855.04 : 1,174,164.86 = 463,673.91 : x
  2. Step 2: Convert to fraction form
    850,855.04/1,174,164.86 = 463,673.91/x
  3. Step 3: Cross multiply
    850,855.04x = 1,174,164.86 × 463,673.91
  4. Step 4: Simplify right side
    850,855.04x = 544,429,609,302.43
  5. Step 5: Solve for x
    x = 544,429,609,302.43/850,855.04
  6. Step 6: Final answer
    x = 639,861.77

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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.