Home / 739,035.02-1,019,869.82-399,503.27

Finding the Fourth Proportional to 739,035.02, 1,019,869.82 and 399,503.27

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Solution

The fourth proportional to 739,035.02, 1,019,869.82 and 399,503.27 is: 551,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,035.02 : 1,019,869.82 = 399,503.27 : x
  2. Step 2: Convert to fraction form
    739,035.02/1,019,869.82 = 399,503.27/x
  3. Step 3: Cross multiply
    739,035.02x = 1,019,869.82 × 399,503.27
  4. Step 4: Simplify right side
    739,035.02x = 407,441,326,066.80
  5. Step 5: Solve for x
    x = 407,441,326,066.80/739,035.02
  6. Step 6: Final answer
    x = 551,315.32

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Double scale
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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.