Home / 676,675.09-933,775.92-386,275.12

Finding the Fourth Proportional to 676,675.09, 933,775.92 and 386,275.12

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Solution

The fourth proportional to 676,675.09, 933,775.92 and 386,275.12 is: 533,039.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,675.09 : 933,775.92 = 386,275.12 : x
  2. Step 2: Convert to fraction form
    676,675.09/933,775.92 = 386,275.12/x
  3. Step 3: Cross multiply
    676,675.09x = 933,775.92 × 386,275.12
  4. Step 4: Simplify right side
    676,675.09x = 360,694,405,551.11
  5. Step 5: Solve for x
    x = 360,694,405,551.11/676,675.09
  6. Step 6: Final answer
    x = 533,039.28

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Double scale
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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.