Home / 589,724.48-883,290.10-487,362.44

Finding the Fourth Proportional to 589,724.48, 883,290.10 and 487,362.44

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Solution

The fourth proportional to 589,724.48, 883,290.10 and 487,362.44 is: 729,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,724.48 : 883,290.10 = 487,362.44 : x
  2. Step 2: Convert to fraction form
    589,724.48/883,290.10 = 487,362.44/x
  3. Step 3: Cross multiply
    589,724.48x = 883,290.10 × 487,362.44
  4. Step 4: Simplify right side
    589,724.48x = 430,482,418,363.84
  5. Step 5: Solve for x
    x = 430,482,418,363.84/589,724.48
  6. Step 6: Final answer
    x = 729,972.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.