Home / 702,454.80-1,053,036.30-253,065.80

Finding the Fourth Proportional to 702,454.80, 1,053,036.30 and 253,065.80

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Solution

The fourth proportional to 702,454.80, 1,053,036.30 and 253,065.80 is: 379,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,454.80 : 1,053,036.30 = 253,065.80 : x
  2. Step 2: Convert to fraction form
    702,454.80/1,053,036.30 = 253,065.80/x
  3. Step 3: Cross multiply
    702,454.80x = 1,053,036.30 × 253,065.80
  4. Step 4: Simplify right side
    702,454.80x = 266,487,473,688.54
  5. Step 5: Solve for x
    x = 266,487,473,688.54/702,454.80
  6. Step 6: Final answer
    x = 379,366.01

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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.