Home / 893,637.80-1,340,456.70-805,164.20

Finding the Fourth Proportional to 893,637.80, 1,340,456.70 and 805,164.20

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Solution

The fourth proportional to 893,637.80, 1,340,456.70 and 805,164.20 is: 1,207,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,637.80 : 1,340,456.70 = 805,164.20 : x
  2. Step 2: Convert to fraction form
    893,637.80/1,340,456.70 = 805,164.20/x
  3. Step 3: Cross multiply
    893,637.80x = 1,340,456.70 × 805,164.20
  4. Step 4: Simplify right side
    893,637.80x = 1,079,287,746,490.14
  5. Step 5: Solve for x
    x = 1,079,287,746,490.14/893,637.80
  6. Step 6: Final answer
    x = 1,207,746.30

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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.