Home / 676,496.10-933,579.69-386,101.86

Finding the Fourth Proportional to 676,496.10, 933,579.69 and 386,101.86

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Solution

The fourth proportional to 676,496.10, 933,579.69 and 386,101.86 is: 532,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,496.10 : 933,579.69 = 386,101.86 : x
  2. Step 2: Convert to fraction form
    676,496.10/933,579.69 = 386,101.86/x
  3. Step 3: Cross multiply
    676,496.10x = 933,579.69 × 386,101.86
  4. Step 4: Simplify right side
    676,496.10x = 360,456,854,767.22
  5. Step 5: Solve for x
    x = 360,456,854,767.22/676,496.10
  6. Step 6: Final answer
    x = 532,829.17

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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.