Home / 735,526.50-1,015,039.90-408,870.06

Finding the Fourth Proportional to 735,526.50, 1,015,039.90 and 408,870.06

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Solution

The fourth proportional to 735,526.50, 1,015,039.90 and 408,870.06 is: 564,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,526.50 : 1,015,039.90 = 408,870.06 : x
  2. Step 2: Convert to fraction form
    735,526.50/1,015,039.90 = 408,870.06/x
  3. Step 3: Cross multiply
    735,526.50x = 1,015,039.90 × 408,870.06
  4. Step 4: Simplify right side
    735,526.50x = 415,019,424,815.39
  5. Step 5: Solve for x
    x = 415,019,424,815.39/735,526.50
  6. Step 6: Final answer
    x = 564,248.09

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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.