Home / 657,667.92-907,584.84-371,200.08

Finding the Fourth Proportional to 657,667.92, 907,584.84 and 371,200.08

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Solution

The fourth proportional to 657,667.92, 907,584.84 and 371,200.08 is: 512,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,667.92 : 907,584.84 = 371,200.08 : x
  2. Step 2: Convert to fraction form
    657,667.92/907,584.84 = 371,200.08/x
  3. Step 3: Cross multiply
    657,667.92x = 907,584.84 × 371,200.08
  4. Step 4: Simplify right side
    657,667.92x = 336,895,565,214.79
  5. Step 5: Solve for x
    x = 336,895,565,214.79/657,667.92
  6. Step 6: Final answer
    x = 512,257.87

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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.