Home / 688,101.35-949,546.98-382,197.15

Finding the Fourth Proportional to 688,101.35, 949,546.98 and 382,197.15

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Solution

The fourth proportional to 688,101.35, 949,546.98 and 382,197.15 is: 527,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,101.35 : 949,546.98 = 382,197.15 : x
  2. Step 2: Convert to fraction form
    688,101.35/949,546.98 = 382,197.15/x
  3. Step 3: Cross multiply
    688,101.35x = 949,546.98 × 382,197.15
  4. Step 4: Simplify right side
    688,101.35x = 362,914,149,547.11
  5. Step 5: Solve for x
    x = 362,914,149,547.11/688,101.35
  6. Step 6: Final answer
    x = 527,413.81

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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.