Home / 850,810.86-1,174,103.93-463,629.69

Finding the Fourth Proportional to 850,810.86, 1,174,103.93 and 463,629.69

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Solution

The fourth proportional to 850,810.86, 1,174,103.93 and 463,629.69 is: 639,800.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,810.86 : 1,174,103.93 = 463,629.69 : x
  2. Step 2: Convert to fraction form
    850,810.86/1,174,103.93 = 463,629.69/x
  3. Step 3: Cross multiply
    850,810.86x = 1,174,103.93 × 463,629.69
  4. Step 4: Simplify right side
    850,810.86x = 544,349,442,252.76
  5. Step 5: Solve for x
    x = 544,349,442,252.76/850,810.86
  6. Step 6: Final answer
    x = 639,800.77

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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.