Home / 998,011.13-1,377,255.35-545,302.13

Finding the Fourth Proportional to 998,011.13, 1,377,255.35 and 545,302.13

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Solution

The fourth proportional to 998,011.13, 1,377,255.35 and 545,302.13 is: 752,516.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,011.13 : 1,377,255.35 = 545,302.13 : x
  2. Step 2: Convert to fraction form
    998,011.13/1,377,255.35 = 545,302.13/x
  3. Step 3: Cross multiply
    998,011.13x = 1,377,255.35 × 545,302.13
  4. Step 4: Simplify right side
    998,011.13x = 751,020,270,385.87
  5. Step 5: Solve for x
    x = 751,020,270,385.87/998,011.13
  6. Step 6: Final answer
    x = 752,516.93

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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.