Home / 589,550.40-812,755.76-498,541.23

Finding the Fourth Proportional to 589,550.40, 812,755.76 and 498,541.23

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Solution

The fourth proportional to 589,550.40, 812,755.76 and 498,541.23 is: 687,290.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,550.40 : 812,755.76 = 498,541.23 : x
  2. Step 2: Convert to fraction form
    589,550.40/812,755.76 = 498,541.23/x
  3. Step 3: Cross multiply
    589,550.40x = 812,755.76 × 498,541.23
  4. Step 4: Simplify right side
    589,550.40x = 405,192,253,787.28
  5. Step 5: Solve for x
    x = 405,192,253,787.28/589,550.40
  6. Step 6: Final answer
    x = 687,290.27

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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.