Home / 1,276,005.61-1,760,966.09-703,045.63

Finding the Fourth Proportional to 1,276,005.61, 1,760,966.09 and 703,045.63

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Solution

The fourth proportional to 1,276,005.61, 1,760,966.09 and 703,045.63 is: 970,246.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,005.61 : 1,760,966.09 = 703,045.63 : x
  2. Step 2: Convert to fraction form
    1,276,005.61/1,760,966.09 = 703,045.63/x
  3. Step 3: Cross multiply
    1,276,005.61x = 1,760,966.09 × 703,045.63
  4. Step 4: Simplify right side
    1,276,005.61x = 1,238,039,514,152.69
  5. Step 5: Solve for x
    x = 1,238,039,514,152.69/1,276,005.61
  6. Step 6: Final answer
    x = 970,246.14

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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.