Home / 738,418.84-1,019,047.98-416,142.52

Finding the Fourth Proportional to 738,418.84, 1,019,047.98 and 416,142.52

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Solution

The fourth proportional to 738,418.84, 1,019,047.98 and 416,142.52 is: 574,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,418.84 : 1,019,047.98 = 416,142.52 : x
  2. Step 2: Convert to fraction form
    738,418.84/1,019,047.98 = 416,142.52/x
  3. Step 3: Cross multiply
    738,418.84x = 1,019,047.98 × 416,142.52
  4. Step 4: Simplify right side
    738,418.84x = 424,069,194,398.11
  5. Step 5: Solve for x
    x = 424,069,194,398.11/738,418.84
  6. Step 6: Final answer
    x = 574,293.57

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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.