Home / 912,846.70-1,259,422.50-525,653.78

Finding the Fourth Proportional to 912,846.70, 1,259,422.50 and 525,653.78

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Solution

The fourth proportional to 912,846.70, 1,259,422.50 and 525,653.78 is: 725,226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,846.70 : 1,259,422.50 = 525,653.78 : x
  2. Step 2: Convert to fraction form
    912,846.70/1,259,422.50 = 525,653.78/x
  3. Step 3: Cross multiply
    912,846.70x = 1,259,422.50 × 525,653.78
  4. Step 4: Simplify right side
    912,846.70x = 662,020,195,479.86
  5. Step 5: Solve for x
    x = 662,020,195,479.86/912,846.70
  6. Step 6: Final answer
    x = 725,226.04

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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.