Home / 788,786.17-1,090,363.73-703,589.54

Finding the Fourth Proportional to 788,786.17, 1,090,363.73 and 703,589.54

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Solution

The fourth proportional to 788,786.17, 1,090,363.73 and 703,589.54 is: 972,593.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,786.17 : 1,090,363.73 = 703,589.54 : x
  2. Step 2: Convert to fraction form
    788,786.17/1,090,363.73 = 703,589.54/x
  3. Step 3: Cross multiply
    788,786.17x = 1,090,363.73 × 703,589.54
  4. Step 4: Simplify right side
    788,786.17x = 767,168,506,253.62
  5. Step 5: Solve for x
    x = 767,168,506,253.62/788,786.17
  6. Step 6: Final answer
    x = 972,593.76

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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.