Home / 683,275.61-942,920.35-396,814.15

Finding the Fourth Proportional to 683,275.61, 942,920.35 and 396,814.15

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Solution

The fourth proportional to 683,275.61, 942,920.35 and 396,814.15 is: 547,603.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,275.61 : 942,920.35 = 396,814.15 : x
  2. Step 2: Convert to fraction form
    683,275.61/942,920.35 = 396,814.15/x
  3. Step 3: Cross multiply
    683,275.61x = 942,920.35 × 396,814.15
  4. Step 4: Simplify right side
    683,275.61x = 374,164,137,202.95
  5. Step 5: Solve for x
    x = 374,164,137,202.95/683,275.61
  6. Step 6: Final answer
    x = 547,603.53

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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.