Home / 928,506.44-1,390,966.29-684,918.38

Finding the Fourth Proportional to 928,506.44, 1,390,966.29 and 684,918.38

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Solution

The fourth proportional to 928,506.44, 1,390,966.29 and 684,918.38 is: 1,026,054.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,506.44 : 1,390,966.29 = 684,918.38 : x
  2. Step 2: Convert to fraction form
    928,506.44/1,390,966.29 = 684,918.38/x
  3. Step 3: Cross multiply
    928,506.44x = 1,390,966.29 × 684,918.38
  4. Step 4: Simplify right side
    928,506.44x = 952,698,377,981.41
  5. Step 5: Solve for x
    x = 952,698,377,981.41/928,506.44
  6. Step 6: Final answer
    x = 1,026,054.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.