Home / 694,871.61-958,786.47-436,598.91

Finding the Fourth Proportional to 694,871.61, 958,786.47 and 436,598.91

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Solution

The fourth proportional to 694,871.61, 958,786.47 and 436,598.91 is: 602,420.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,871.61 : 958,786.47 = 436,598.91 : x
  2. Step 2: Convert to fraction form
    694,871.61/958,786.47 = 436,598.91/x
  3. Step 3: Cross multiply
    694,871.61x = 958,786.47 × 436,598.91
  4. Step 4: Simplify right side
    694,871.61x = 418,605,127,724.75
  5. Step 5: Solve for x
    x = 418,605,127,724.75/694,871.61
  6. Step 6: Final answer
    x = 602,420.82

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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.