Home / 407,260.58-607,583.77-385,215.62

Finding the Fourth Proportional to 407,260.58, 607,583.77 and 385,215.62

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Solution

The fourth proportional to 407,260.58, 607,583.77 and 385,215.62 is: 574,695.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,260.58 : 607,583.77 = 385,215.62 : x
  2. Step 2: Convert to fraction form
    407,260.58/607,583.77 = 385,215.62/x
  3. Step 3: Cross multiply
    407,260.58x = 607,583.77 × 385,215.62
  4. Step 4: Simplify right side
    407,260.58x = 234,050,758,662.49
  5. Step 5: Solve for x
    x = 234,050,758,662.49/407,260.58
  6. Step 6: Final answer
    x = 574,695.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.