Home / 676,649.57-933,631.07-401,094.30

Finding the Fourth Proportional to 676,649.57, 933,631.07 and 401,094.30

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Solution

The fourth proportional to 676,649.57, 933,631.07 and 401,094.30 is: 553,423.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,649.57 : 933,631.07 = 401,094.30 : x
  2. Step 2: Convert to fraction form
    676,649.57/933,631.07 = 401,094.30/x
  3. Step 3: Cross multiply
    676,649.57x = 933,631.07 × 401,094.30
  4. Step 4: Simplify right side
    676,649.57x = 374,474,098,474.43
  5. Step 5: Solve for x
    x = 374,474,098,474.43/676,649.57
  6. Step 6: Final answer
    x = 553,423.98

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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.