Home / 912,240.12-1,258,682.57-544,645.86

Finding the Fourth Proportional to 912,240.12, 1,258,682.57 and 544,645.86

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Solution

The fourth proportional to 912,240.12, 1,258,682.57 and 544,645.86 is: 751,486.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,240.12 : 1,258,682.57 = 544,645.86 : x
  2. Step 2: Convert to fraction form
    912,240.12/1,258,682.57 = 544,645.86/x
  3. Step 3: Cross multiply
    912,240.12x = 1,258,682.57 × 544,645.86
  4. Step 4: Simplify right side
    912,240.12x = 685,536,241,788.02
  5. Step 5: Solve for x
    x = 685,536,241,788.02/912,240.12
  6. Step 6: Final answer
    x = 751,486.62

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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.