Home / 738,936.06-1,019,730.24-399,403.50

Finding the Fourth Proportional to 738,936.06, 1,019,730.24 and 399,403.50

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Solution

The fourth proportional to 738,936.06, 1,019,730.24 and 399,403.50 is: 551,176.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,936.06 : 1,019,730.24 = 399,403.50 : x
  2. Step 2: Convert to fraction form
    738,936.06/1,019,730.24 = 399,403.50/x
  3. Step 3: Cross multiply
    738,936.06x = 1,019,730.24 × 399,403.50
  4. Step 4: Simplify right side
    738,936.06x = 407,283,826,911.84
  5. Step 5: Solve for x
    x = 407,283,826,911.84/738,936.06
  6. Step 6: Final answer
    x = 551,176.01

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1.5x scale

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.