Home / 1,138,521.18-1,708,061.97-802,218.63

Finding the Fourth Proportional to 1,138,521.18, 1,708,061.97 and 802,218.63

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Solution

The fourth proportional to 1,138,521.18, 1,708,061.97 and 802,218.63 is: 1,203,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,521.18 : 1,708,061.97 = 802,218.63 : x
  2. Step 2: Convert to fraction form
    1,138,521.18/1,708,061.97 = 802,218.63/x
  3. Step 3: Cross multiply
    1,138,521.18x = 1,708,061.97 × 802,218.63
  4. Step 4: Simplify right side
    1,138,521.18x = 1,370,239,133,528.50
  5. Step 5: Solve for x
    x = 1,370,239,133,528.50/1,138,521.18
  6. Step 6: Final answer
    x = 1,203,525.38

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Double scale
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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.