Home / 883,386.60-1,218,981.96-496,245.48

Finding the Fourth Proportional to 883,386.60, 1,218,981.96 and 496,245.48

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Solution

The fourth proportional to 883,386.60, 1,218,981.96 and 496,245.48 is: 684,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,386.60 : 1,218,981.96 = 496,245.48 : x
  2. Step 2: Convert to fraction form
    883,386.60/1,218,981.96 = 496,245.48/x
  3. Step 3: Cross multiply
    883,386.60x = 1,218,981.96 × 496,245.48
  4. Step 4: Simplify right side
    883,386.60x = 604,914,287,851.54
  5. Step 5: Solve for x
    x = 604,914,287,851.54/883,386.60
  6. Step 6: Final answer
    x = 684,767.33

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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.