Home / 670,828.64-925,583.36-453,442.66

Finding the Fourth Proportional to 670,828.64, 925,583.36 and 453,442.66

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Solution

The fourth proportional to 670,828.64, 925,583.36 and 453,442.66 is: 625,642.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,828.64 : 925,583.36 = 453,442.66 : x
  2. Step 2: Convert to fraction form
    670,828.64/925,583.36 = 453,442.66/x
  3. Step 3: Cross multiply
    670,828.64x = 925,583.36 × 453,442.66
  4. Step 4: Simplify right side
    670,828.64x = 419,698,976,228.97
  5. Step 5: Solve for x
    x = 419,698,976,228.97/670,828.64
  6. Step 6: Final answer
    x = 625,642.61

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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.