Home / 684,084.44-944,302.92-612,340.28

Finding the Fourth Proportional to 684,084.44, 944,302.92 and 612,340.28

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Solution

The fourth proportional to 684,084.44, 944,302.92 and 612,340.28 is: 845,268.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,084.44 : 944,302.92 = 612,340.28 : x
  2. Step 2: Convert to fraction form
    684,084.44/944,302.92 = 612,340.28/x
  3. Step 3: Cross multiply
    684,084.44x = 944,302.92 × 612,340.28
  4. Step 4: Simplify right side
    684,084.44x = 578,234,714,437.62
  5. Step 5: Solve for x
    x = 578,234,714,437.62/684,084.44
  6. Step 6: Final answer
    x = 845,268.04

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Double scale
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Similar ratio
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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.