Home / 1,153,654.77-1,592,076.38-644,389.95

Finding the Fourth Proportional to 1,153,654.77, 1,592,076.38 and 644,389.95

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Solution

The fourth proportional to 1,153,654.77, 1,592,076.38 and 644,389.95 is: 889,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,654.77 : 1,592,076.38 = 644,389.95 : x
  2. Step 2: Convert to fraction form
    1,153,654.77/1,592,076.38 = 644,389.95/x
  3. Step 3: Cross multiply
    1,153,654.77x = 1,592,076.38 × 644,389.95
  4. Step 4: Simplify right side
    1,153,654.77x = 1,025,918,018,904.38
  5. Step 5: Solve for x
    x = 1,025,918,018,904.38/1,153,654.77
  6. Step 6: Final answer
    x = 889,276.45

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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.