Home / 786,583.48-1,086,553.72-616,646.93

Finding the Fourth Proportional to 786,583.48, 1,086,553.72 and 616,646.93

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Solution

The fourth proportional to 786,583.48, 1,086,553.72 and 616,646.93 is: 851,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,583.48 : 1,086,553.72 = 616,646.93 : x
  2. Step 2: Convert to fraction form
    786,583.48/1,086,553.72 = 616,646.93/x
  3. Step 3: Cross multiply
    786,583.48x = 1,086,553.72 × 616,646.93
  4. Step 4: Simplify right side
    786,583.48x = 670,020,015,718.08
  5. Step 5: Solve for x
    x = 670,020,015,718.08/786,583.48
  6. Step 6: Final answer
    x = 851,810.43

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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.