Home / 855,411.48-1,180,730.85-493,077.63

Finding the Fourth Proportional to 855,411.48, 1,180,730.85 and 493,077.63

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Solution

The fourth proportional to 855,411.48, 1,180,730.85 and 493,077.63 is: 680,598.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,411.48 : 1,180,730.85 = 493,077.63 : x
  2. Step 2: Convert to fraction form
    855,411.48/1,180,730.85 = 493,077.63/x
  3. Step 3: Cross multiply
    855,411.48x = 1,180,730.85 × 493,077.63
  4. Step 4: Simplify right side
    855,411.48x = 582,191,969,185.89
  5. Step 5: Solve for x
    x = 582,191,969,185.89/855,411.48
  6. Step 6: Final answer
    x = 680,598.73

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Double scale
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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.