Home / 738,679.53-1,019,316.51-416,468.82

Finding the Fourth Proportional to 738,679.53, 1,019,316.51 and 416,468.82

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Solution

The fourth proportional to 738,679.53, 1,019,316.51 and 416,468.82 is: 574,692.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,679.53 : 1,019,316.51 = 416,468.82 : x
  2. Step 2: Convert to fraction form
    738,679.53/1,019,316.51 = 416,468.82/x
  3. Step 3: Cross multiply
    738,679.53x = 1,019,316.51 × 416,468.82
  4. Step 4: Simplify right side
    738,679.53x = 424,513,544,126.22
  5. Step 5: Solve for x
    x = 424,513,544,126.22/738,679.53
  6. Step 6: Final answer
    x = 574,692.44

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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.