Home / 945,273-1,304,243.35-558,097.45

Finding the Fourth Proportional to 945,273, 1,304,243.35 and 558,097.45

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Solution

The fourth proportional to 945,273, 1,304,243.35 and 558,097.45 is: 770,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,273 : 1,304,243.35 = 558,097.45 : x
  2. Step 2: Convert to fraction form
    945,273/1,304,243.35 = 558,097.45/x
  3. Step 3: Cross multiply
    945,273x = 1,304,243.35 × 558,097.45
  4. Step 4: Simplify right side
    945,273x = 727,894,887,814.46
  5. Step 5: Solve for x
    x = 727,894,887,814.46/945,273
  6. Step 6: Final answer
    x = 770,036.69

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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.