Home / 1,181,026.40-1,771,366.80-339,490.40

Finding the Fourth Proportional to 1,181,026.40, 1,771,366.80 and 339,490.40

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Solution

The fourth proportional to 1,181,026.40, 1,771,366.80 and 339,490.40 is: 509,185.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,026.40 : 1,771,366.80 = 339,490.40 : x
  2. Step 2: Convert to fraction form
    1,181,026.40/1,771,366.80 = 339,490.40/x
  3. Step 3: Cross multiply
    1,181,026.40x = 1,771,366.80 × 339,490.40
  4. Step 4: Simplify right side
    1,181,026.40x = 601,362,023,478.72
  5. Step 5: Solve for x
    x = 601,362,023,478.72/1,181,026.40
  6. Step 6: Final answer
    x = 509,185.93

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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.