Home / 1,015,929.40-1,521,837.78-483,964.60

Finding the Fourth Proportional to 1,015,929.40, 1,521,837.78 and 483,964.60

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Solution

The fourth proportional to 1,015,929.40, 1,521,837.78 and 483,964.60 is: 724,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,929.40 : 1,521,837.78 = 483,964.60 : x
  2. Step 2: Convert to fraction form
    1,015,929.40/1,521,837.78 = 483,964.60/x
  3. Step 3: Cross multiply
    1,015,929.40x = 1,521,837.78 × 483,964.60
  4. Step 4: Simplify right side
    1,015,929.40x = 736,515,612,462.59
  5. Step 5: Solve for x
    x = 736,515,612,462.59/1,015,929.40
  6. Step 6: Final answer
    x = 724,967.32

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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.