Home / 741,828.72-1,023,615.90-415,140.15

Finding the Fourth Proportional to 741,828.72, 1,023,615.90 and 415,140.15

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Solution

The fourth proportional to 741,828.72, 1,023,615.90 and 415,140.15 is: 572,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,828.72 : 1,023,615.90 = 415,140.15 : x
  2. Step 2: Convert to fraction form
    741,828.72/1,023,615.90 = 415,140.15/x
  3. Step 3: Cross multiply
    741,828.72x = 1,023,615.90 × 415,140.15
  4. Step 4: Simplify right side
    741,828.72x = 424,944,058,268.39
  5. Step 5: Solve for x
    x = 424,944,058,268.39/741,828.72
  6. Step 6: Final answer
    x = 572,833.12

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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.