Home / 912,897.28-1,362,657.38-805,162.42

Finding the Fourth Proportional to 912,897.28, 1,362,657.38 and 805,162.42

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Solution

The fourth proportional to 912,897.28, 1,362,657.38 and 805,162.42 is: 1,201,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,897.28 : 1,362,657.38 = 805,162.42 : x
  2. Step 2: Convert to fraction form
    912,897.28/1,362,657.38 = 805,162.42/x
  3. Step 3: Cross multiply
    912,897.28x = 1,362,657.38 × 805,162.42
  4. Step 4: Simplify right side
    912,897.28x = 1,097,160,513,711.66
  5. Step 5: Solve for x
    x = 1,097,160,513,711.66/912,897.28
  6. Step 6: Final answer
    x = 1,201,844.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.