Home / 956,643.30-1,434,964.95-919,901.70

Finding the Fourth Proportional to 956,643.30, 1,434,964.95 and 919,901.70

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Solution

The fourth proportional to 956,643.30, 1,434,964.95 and 919,901.70 is: 1,379,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,643.30 : 1,434,964.95 = 919,901.70 : x
  2. Step 2: Convert to fraction form
    956,643.30/1,434,964.95 = 919,901.70/x
  3. Step 3: Cross multiply
    956,643.30x = 1,434,964.95 × 919,901.70
  4. Step 4: Simplify right side
    956,643.30x = 1,320,026,696,945.41
  5. Step 5: Solve for x
    x = 1,320,026,696,945.41/956,643.30
  6. Step 6: Final answer
    x = 1,379,852.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.