Home / 714,976.95-986,428.14-404,837.23

Finding the Fourth Proportional to 714,976.95, 986,428.14 and 404,837.23

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Solution

The fourth proportional to 714,976.95, 986,428.14 and 404,837.23 is: 558,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,976.95 : 986,428.14 = 404,837.23 : x
  2. Step 2: Convert to fraction form
    714,976.95/986,428.14 = 404,837.23/x
  3. Step 3: Cross multiply
    714,976.95x = 986,428.14 × 404,837.23
  4. Step 4: Simplify right side
    714,976.95x = 399,342,835,791.65
  5. Step 5: Solve for x
    x = 399,342,835,791.65/714,976.95
  6. Step 6: Final answer
    x = 558,539.45

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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.