Home / 883,680.63-1,219,376.59-496,442.31

Finding the Fourth Proportional to 883,680.63, 1,219,376.59 and 496,442.31

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Solution

The fourth proportional to 883,680.63, 1,219,376.59 and 496,442.31 is: 685,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,680.63 : 1,219,376.59 = 496,442.31 : x
  2. Step 2: Convert to fraction form
    883,680.63/1,219,376.59 = 496,442.31/x
  3. Step 3: Cross multiply
    883,680.63x = 1,219,376.59 × 496,442.31
  4. Step 4: Simplify right side
    883,680.63x = 605,350,131,099.52
  5. Step 5: Solve for x
    x = 605,350,131,099.52/883,680.63
  6. Step 6: Final answer
    x = 685,032.70

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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.