Home / 925,911.74-1,277,807.82-517,989.24

Finding the Fourth Proportional to 925,911.74, 1,277,807.82 and 517,989.24

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Solution

The fourth proportional to 925,911.74, 1,277,807.82 and 517,989.24 is: 714,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,911.74 : 1,277,807.82 = 517,989.24 : x
  2. Step 2: Convert to fraction form
    925,911.74/1,277,807.82 = 517,989.24/x
  3. Step 3: Cross multiply
    925,911.74x = 1,277,807.82 × 517,989.24
  4. Step 4: Simplify right side
    925,911.74x = 661,890,701,547.86
  5. Step 5: Solve for x
    x = 661,890,701,547.86/925,911.74
  6. Step 6: Final answer
    x = 714,852.91

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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.