Home / 346,058.60-519,087.90-257,485.10

Finding the Fourth Proportional to 346,058.60, 519,087.90 and 257,485.10

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Solution

The fourth proportional to 346,058.60, 519,087.90 and 257,485.10 is: 386,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,058.60 : 519,087.90 = 257,485.10 : x
  2. Step 2: Convert to fraction form
    346,058.60/519,087.90 = 257,485.10/x
  3. Step 3: Cross multiply
    346,058.60x = 519,087.90 × 257,485.10
  4. Step 4: Simplify right side
    346,058.60x = 133,657,399,840.29
  5. Step 5: Solve for x
    x = 133,657,399,840.29/346,058.60
  6. Step 6: Final answer
    x = 386,227.65

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Similar ratio
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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.