Home / 908,574.88-1,253,816.10-500,714.41

Finding the Fourth Proportional to 908,574.88, 1,253,816.10 and 500,714.41

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Solution

The fourth proportional to 908,574.88, 1,253,816.10 and 500,714.41 is: 690,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,574.88 : 1,253,816.10 = 500,714.41 : x
  2. Step 2: Convert to fraction form
    908,574.88/1,253,816.10 = 500,714.41/x
  3. Step 3: Cross multiply
    908,574.88x = 1,253,816.10 × 500,714.41
  4. Step 4: Simplify right side
    908,574.88x = 627,803,788,760.00
  5. Step 5: Solve for x
    x = 627,803,788,760.00/908,574.88
  6. Step 6: Final answer
    x = 690,976.39

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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.