Home / 889,916.78-1,227,746.16-657,900.83

Finding the Fourth Proportional to 889,916.78, 1,227,746.16 and 657,900.83

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Solution

The fourth proportional to 889,916.78, 1,227,746.16 and 657,900.83 is: 907,652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,916.78 : 1,227,746.16 = 657,900.83 : x
  2. Step 2: Convert to fraction form
    889,916.78/1,227,746.16 = 657,900.83/x
  3. Step 3: Cross multiply
    889,916.78x = 1,227,746.16 × 657,900.83
  4. Step 4: Simplify right side
    889,916.78x = 807,735,211,554.58
  5. Step 5: Solve for x
    x = 807,735,211,554.58/889,916.78
  6. Step 6: Final answer
    x = 907,652.53

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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.