Home / 982,726.65-1,356,162.14-553,007.16

Finding the Fourth Proportional to 982,726.65, 1,356,162.14 and 553,007.16

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Solution

The fourth proportional to 982,726.65, 1,356,162.14 and 553,007.16 is: 763,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,726.65 : 1,356,162.14 = 553,007.16 : x
  2. Step 2: Convert to fraction form
    982,726.65/1,356,162.14 = 553,007.16/x
  3. Step 3: Cross multiply
    982,726.65x = 1,356,162.14 × 553,007.16
  4. Step 4: Simplify right side
    982,726.65x = 749,967,370,775.89
  5. Step 5: Solve for x
    x = 749,967,370,775.89/982,726.65
  6. Step 6: Final answer
    x = 763,149.52

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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.