Home / 705,802.32-973,897.56-419,315.04

Finding the Fourth Proportional to 705,802.32, 973,897.56 and 419,315.04

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Solution

The fourth proportional to 705,802.32, 973,897.56 and 419,315.04 is: 578,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,802.32 : 973,897.56 = 419,315.04 : x
  2. Step 2: Convert to fraction form
    705,802.32/973,897.56 = 419,315.04/x
  3. Step 3: Cross multiply
    705,802.32x = 973,897.56 × 419,315.04
  4. Step 4: Simplify right side
    705,802.32x = 408,369,894,327.30
  5. Step 5: Solve for x
    x = 408,369,894,327.30/705,802.32
  6. Step 6: Final answer
    x = 578,589.62

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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.