Home / 684,355.82-1,026,541.91-414,542.88

Finding the Fourth Proportional to 684,355.82, 1,026,541.91 and 414,542.88

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Solution

The fourth proportional to 684,355.82, 1,026,541.91 and 414,542.88 is: 621,819.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,355.82 : 1,026,541.91 = 414,542.88 : x
  2. Step 2: Convert to fraction form
    684,355.82/1,026,541.91 = 414,542.88/x
  3. Step 3: Cross multiply
    684,355.82x = 1,026,541.91 × 414,542.88
  4. Step 4: Simplify right side
    684,355.82x = 425,545,640,848.46
  5. Step 5: Solve for x
    x = 425,545,640,848.46/684,355.82
  6. Step 6: Final answer
    x = 621,819.28

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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.