Home / 850,815.79-1,174,110.69-463,634.59

Finding the Fourth Proportional to 850,815.79, 1,174,110.69 and 463,634.59

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Solution

The fourth proportional to 850,815.79, 1,174,110.69 and 463,634.59 is: 639,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,815.79 : 1,174,110.69 = 463,634.59 : x
  2. Step 2: Convert to fraction form
    850,815.79/1,174,110.69 = 463,634.59/x
  3. Step 3: Cross multiply
    850,815.79x = 1,174,110.69 × 463,634.59
  4. Step 4: Simplify right side
    850,815.79x = 544,358,328,372.77
  5. Step 5: Solve for x
    x = 544,358,328,372.77/850,815.79
  6. Step 6: Final answer
    x = 639,807.51

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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.