Home / 792,721.44-1,093,802.40-470,717.28

Finding the Fourth Proportional to 792,721.44, 1,093,802.40 and 470,717.28

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Solution

The fourth proportional to 792,721.44, 1,093,802.40 and 470,717.28 is: 649,498.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,721.44 : 1,093,802.40 = 470,717.28 : x
  2. Step 2: Convert to fraction form
    792,721.44/1,093,802.40 = 470,717.28/x
  3. Step 3: Cross multiply
    792,721.44x = 1,093,802.40 × 470,717.28
  4. Step 4: Simplify right side
    792,721.44x = 514,871,690,585.47
  5. Step 5: Solve for x
    x = 514,871,690,585.47/792,721.44
  6. Step 6: Final answer
    x = 649,498.88

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1.5x scale

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.