Home / 774,996.66-1,070,017.20-693,070.74

Finding the Fourth Proportional to 774,996.66, 1,070,017.20 and 693,070.74

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Solution

The fourth proportional to 774,996.66, 1,070,017.20 and 693,070.74 is: 956,904.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,996.66 : 1,070,017.20 = 693,070.74 : x
  2. Step 2: Convert to fraction form
    774,996.66/1,070,017.20 = 693,070.74/x
  3. Step 3: Cross multiply
    774,996.66x = 1,070,017.20 × 693,070.74
  4. Step 4: Simplify right side
    774,996.66x = 741,597,612,616.73
  5. Step 5: Solve for x
    x = 741,597,612,616.73/774,996.66
  6. Step 6: Final answer
    x = 956,904.27

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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.