Home / 992,312.32-1,369,389.48-605,127.07

Finding the Fourth Proportional to 992,312.32, 1,369,389.48 and 605,127.07

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Solution

The fourth proportional to 992,312.32, 1,369,389.48 and 605,127.07 is: 835,074.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,312.32 : 1,369,389.48 = 605,127.07 : x
  2. Step 2: Convert to fraction form
    992,312.32/1,369,389.48 = 605,127.07/x
  3. Step 3: Cross multiply
    992,312.32x = 1,369,389.48 × 605,127.07
  4. Step 4: Simplify right side
    992,312.32x = 828,654,643,721.22
  5. Step 5: Solve for x
    x = 828,654,643,721.22/992,312.32
  6. Step 6: Final answer
    x = 835,074.43

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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.