Home / 789,809.13-1,088,802.95-563,060.97

Finding the Fourth Proportional to 789,809.13, 1,088,802.95 and 563,060.97

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Solution

The fourth proportional to 789,809.13, 1,088,802.95 and 563,060.97 is: 776,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,809.13 : 1,088,802.95 = 563,060.97 : x
  2. Step 2: Convert to fraction form
    789,809.13/1,088,802.95 = 563,060.97/x
  3. Step 3: Cross multiply
    789,809.13x = 1,088,802.95 × 563,060.97
  4. Step 4: Simplify right side
    789,809.13x = 613,062,442,350.56
  5. Step 5: Solve for x
    x = 613,062,442,350.56/789,809.13
  6. Step 6: Final answer
    x = 776,215.95

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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.