Home / 1,584,388.40-2,186,396.95-939,422.66

Finding the Fourth Proportional to 1,584,388.40, 2,186,396.95 and 939,422.66

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Solution

The fourth proportional to 1,584,388.40, 2,186,396.95 and 939,422.66 is: 1,296,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,388.40 : 2,186,396.95 = 939,422.66 : x
  2. Step 2: Convert to fraction form
    1,584,388.40/2,186,396.95 = 939,422.66/x
  3. Step 3: Cross multiply
    1,584,388.40x = 2,186,396.95 × 939,422.66
  4. Step 4: Simplify right side
    1,584,388.40x = 2,053,950,822,955.79
  5. Step 5: Solve for x
    x = 2,053,950,822,955.79/1,584,388.40
  6. Step 6: Final answer
    x = 1,296,368.26

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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.