Home / 748,290.98-1,032,661.78-446,659.94

Finding the Fourth Proportional to 748,290.98, 1,032,661.78 and 446,659.94

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Solution

The fourth proportional to 748,290.98, 1,032,661.78 and 446,659.94 is: 616,402.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,290.98 : 1,032,661.78 = 446,659.94 : x
  2. Step 2: Convert to fraction form
    748,290.98/1,032,661.78 = 446,659.94/x
  3. Step 3: Cross multiply
    748,290.98x = 1,032,661.78 × 446,659.94
  4. Step 4: Simplify right side
    748,290.98x = 461,248,648,695.09
  5. Step 5: Solve for x
    x = 461,248,648,695.09/748,290.98
  6. Step 6: Final answer
    x = 616,402.79

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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.