Home / 684,354.48-1,026,532.24-185,718.48

Finding the Fourth Proportional to 684,354.48, 1,026,532.24 and 185,718.48

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Solution

The fourth proportional to 684,354.48, 1,026,532.24 and 185,718.48 is: 278,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,354.48 : 1,026,532.24 = 185,718.48 : x
  2. Step 2: Convert to fraction form
    684,354.48/1,026,532.24 = 185,718.48/x
  3. Step 3: Cross multiply
    684,354.48x = 1,026,532.24 × 185,718.48
  4. Step 4: Simplify right side
    684,354.48x = 190,646,007,283.80
  5. Step 5: Solve for x
    x = 190,646,007,283.80/684,354.48
  6. Step 6: Final answer
    x = 278,577.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.