Home / 743,872.76-1,026,656.62-453,652.70

Finding the Fourth Proportional to 743,872.76, 1,026,656.62 and 453,652.70

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Solution

The fourth proportional to 743,872.76, 1,026,656.62 and 453,652.70 is: 626,109.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,872.76 : 1,026,656.62 = 453,652.70 : x
  2. Step 2: Convert to fraction form
    743,872.76/1,026,656.62 = 453,652.70/x
  3. Step 3: Cross multiply
    743,872.76x = 1,026,656.62 × 453,652.70
  4. Step 4: Simplify right side
    743,872.76x = 465,745,549,695.20
  5. Step 5: Solve for x
    x = 465,745,549,695.20/743,872.76
  6. Step 6: Final answer
    x = 626,109.16

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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.