Home / 880,263.90-1,320,886.32-475,447.92

Finding the Fourth Proportional to 880,263.90, 1,320,886.32 and 475,447.92

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Solution

The fourth proportional to 880,263.90, 1,320,886.32 and 475,447.92 is: 713,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,263.90 : 1,320,886.32 = 475,447.92 : x
  2. Step 2: Convert to fraction form
    880,263.90/1,320,886.32 = 475,447.92/x
  3. Step 3: Cross multiply
    880,263.90x = 1,320,886.32 × 475,447.92
  4. Step 4: Simplify right side
    880,263.90x = 628,012,653,400.46
  5. Step 5: Solve for x
    x = 628,012,653,400.46/880,263.90
  6. Step 6: Final answer
    x = 713,436.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.