Home / 887,760.50-1,225,158.57-505,714.10

Finding the Fourth Proportional to 887,760.50, 1,225,158.57 and 505,714.10

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Solution

The fourth proportional to 887,760.50, 1,225,158.57 and 505,714.10 is: 697,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,760.50 : 1,225,158.57 = 505,714.10 : x
  2. Step 2: Convert to fraction form
    887,760.50/1,225,158.57 = 505,714.10/x
  3. Step 3: Cross multiply
    887,760.50x = 1,225,158.57 × 505,714.10
  4. Step 4: Simplify right side
    887,760.50x = 619,579,963,584.84
  5. Step 5: Solve for x
    x = 619,579,963,584.84/887,760.50
  6. Step 6: Final answer
    x = 697,913.42

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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.