Home / 741,602.32-1,023,431.36-419,360.63

Finding the Fourth Proportional to 741,602.32, 1,023,431.36 and 419,360.63

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Solution

The fourth proportional to 741,602.32, 1,023,431.36 and 419,360.63 is: 578,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,602.32 : 1,023,431.36 = 419,360.63 : x
  2. Step 2: Convert to fraction form
    741,602.32/1,023,431.36 = 419,360.63/x
  3. Step 3: Cross multiply
    741,602.32x = 1,023,431.36 × 419,360.63
  4. Step 4: Simplify right side
    741,602.32x = 429,186,812,677.40
  5. Step 5: Solve for x
    x = 429,186,812,677.40/741,602.32
  6. Step 6: Final answer
    x = 578,729.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.