Home / 741,681.15-1,023,540.06-419,439.25

Finding the Fourth Proportional to 741,681.15, 1,023,540.06 and 419,439.25

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Solution

The fourth proportional to 741,681.15, 1,023,540.06 and 419,439.25 is: 578,837.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,681.15 : 1,023,540.06 = 419,439.25 : x
  2. Step 2: Convert to fraction form
    741,681.15/1,023,540.06 = 419,439.25/x
  3. Step 3: Cross multiply
    741,681.15x = 1,023,540.06 × 419,439.25
  4. Step 4: Simplify right side
    741,681.15x = 429,312,875,111.36
  5. Step 5: Solve for x
    x = 429,312,875,111.36/741,681.15
  6. Step 6: Final answer
    x = 578,837.52

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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.