Home / 1,053,389.07-1,453,521.06-639,710.73

Finding the Fourth Proportional to 1,053,389.07, 1,453,521.06 and 639,710.73

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Solution

The fourth proportional to 1,053,389.07, 1,453,521.06 and 639,710.73 is: 882,706.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,389.07 : 1,453,521.06 = 639,710.73 : x
  2. Step 2: Convert to fraction form
    1,053,389.07/1,453,521.06 = 639,710.73/x
  3. Step 3: Cross multiply
    1,053,389.07x = 1,453,521.06 × 639,710.73
  4. Step 4: Simplify right side
    1,053,389.07x = 929,833,018,362.97
  5. Step 5: Solve for x
    x = 929,833,018,362.97/1,053,389.07
  6. Step 6: Final answer
    x = 882,706.16

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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.