Home / 657,252.26-907,050.12-370,667.78

Finding the Fourth Proportional to 657,252.26, 907,050.12 and 370,667.78

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Solution

The fourth proportional to 657,252.26, 907,050.12 and 370,667.78 is: 511,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,252.26 : 907,050.12 = 370,667.78 : x
  2. Step 2: Convert to fraction form
    657,252.26/907,050.12 = 370,667.78/x
  3. Step 3: Cross multiply
    657,252.26x = 907,050.12 × 370,667.78
  4. Step 4: Simplify right side
    657,252.26x = 336,214,254,329.13
  5. Step 5: Solve for x
    x = 336,214,254,329.13/657,252.26
  6. Step 6: Final answer
    x = 511,545.22

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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.