Home / 891,599.40-1,230,383.16-542,608.92

Finding the Fourth Proportional to 891,599.40, 1,230,383.16 and 542,608.92

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Solution

The fourth proportional to 891,599.40, 1,230,383.16 and 542,608.92 is: 748,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,599.40 : 1,230,383.16 = 542,608.92 : x
  2. Step 2: Convert to fraction form
    891,599.40/1,230,383.16 = 542,608.92/x
  3. Step 3: Cross multiply
    891,599.40x = 1,230,383.16 × 542,608.92
  4. Step 4: Simplify right side
    891,599.40x = 667,616,877,633.79
  5. Step 5: Solve for x
    x = 667,616,877,633.79/891,599.40
  6. Step 6: Final answer
    x = 748,785.70

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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.