Home / 1,007,233.48-1,390,060.74-554,605.48

Finding the Fourth Proportional to 1,007,233.48, 1,390,060.74 and 554,605.48

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Solution

The fourth proportional to 1,007,233.48, 1,390,060.74 and 554,605.48 is: 765,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,233.48 : 1,390,060.74 = 554,605.48 : x
  2. Step 2: Convert to fraction form
    1,007,233.48/1,390,060.74 = 554,605.48/x
  3. Step 3: Cross multiply
    1,007,233.48x = 1,390,060.74 × 554,605.48
  4. Step 4: Simplify right side
    1,007,233.48x = 770,935,303,936.86
  5. Step 5: Solve for x
    x = 770,935,303,936.86/1,007,233.48
  6. Step 6: Final answer
    x = 765,398.81

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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.