Home / 951,153.29-1,312,556.36-515,561.27

Finding the Fourth Proportional to 951,153.29, 1,312,556.36 and 515,561.27

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Solution

The fourth proportional to 951,153.29, 1,312,556.36 and 515,561.27 is: 711,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,153.29 : 1,312,556.36 = 515,561.27 : x
  2. Step 2: Convert to fraction form
    951,153.29/1,312,556.36 = 515,561.27/x
  3. Step 3: Cross multiply
    951,153.29x = 1,312,556.36 × 515,561.27
  4. Step 4: Simplify right side
    951,153.29x = 676,703,224,611.76
  5. Step 5: Solve for x
    x = 676,703,224,611.76/951,153.29
  6. Step 6: Final answer
    x = 711,455.49

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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.