Home / 499,146.22-688,944.24-284,413.19

Finding the Fourth Proportional to 499,146.22, 688,944.24 and 284,413.19

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Solution

The fourth proportional to 499,146.22, 688,944.24 and 284,413.19 is: 392,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,146.22 : 688,944.24 = 284,413.19 : x
  2. Step 2: Convert to fraction form
    499,146.22/688,944.24 = 284,413.19/x
  3. Step 3: Cross multiply
    499,146.22x = 688,944.24 × 284,413.19
  4. Step 4: Simplify right side
    499,146.22x = 195,944,827,608.46
  5. Step 5: Solve for x
    x = 195,944,827,608.46/499,146.22
  6. Step 6: Final answer
    x = 392,559.98

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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.