Home / 676,320.32-933,161.76-400,538.96

Finding the Fourth Proportional to 676,320.32, 933,161.76 and 400,538.96

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Solution

The fourth proportional to 676,320.32, 933,161.76 and 400,538.96 is: 552,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,320.32 : 933,161.76 = 400,538.96 : x
  2. Step 2: Convert to fraction form
    676,320.32/933,161.76 = 400,538.96/x
  3. Step 3: Cross multiply
    676,320.32x = 933,161.76 × 400,538.96
  4. Step 4: Simplify right side
    676,320.32x = 373,767,640,862.17
  5. Step 5: Solve for x
    x = 373,767,640,862.17/676,320.32
  6. Step 6: Final answer
    x = 552,648.84

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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.