Home / 850,643.76-1,173,877.60-463,475.30

Finding the Fourth Proportional to 850,643.76, 1,173,877.60 and 463,475.30

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Solution

The fourth proportional to 850,643.76, 1,173,877.60 and 463,475.30 is: 639,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,643.76 : 1,173,877.60 = 463,475.30 : x
  2. Step 2: Convert to fraction form
    850,643.76/1,173,877.60 = 463,475.30/x
  3. Step 3: Cross multiply
    850,643.76x = 1,173,877.60 × 463,475.30
  4. Step 4: Simplify right side
    850,643.76x = 544,063,272,823.28
  5. Step 5: Solve for x
    x = 544,063,272,823.28/850,643.76
  6. Step 6: Final answer
    x = 639,590.04

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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.