Home / 671,030.32-925,716.67-398,943.85

Finding the Fourth Proportional to 671,030.32, 925,716.67 and 398,943.85

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Solution

The fourth proportional to 671,030.32, 925,716.67 and 398,943.85 is: 550,361.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,030.32 : 925,716.67 = 398,943.85 : x
  2. Step 2: Convert to fraction form
    671,030.32/925,716.67 = 398,943.85/x
  3. Step 3: Cross multiply
    671,030.32x = 925,716.67 × 398,943.85
  4. Step 4: Simplify right side
    671,030.32x = 369,308,972,338.98
  5. Step 5: Solve for x
    x = 369,308,972,338.98/671,030.32
  6. Step 6: Final answer
    x = 550,361.08

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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.