Home / 1,125,726.40-1,553,499.84-616,424.32

Finding the Fourth Proportional to 1,125,726.40, 1,553,499.84 and 616,424.32

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Solution

The fourth proportional to 1,125,726.40, 1,553,499.84 and 616,424.32 is: 850,664.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,726.40 : 1,553,499.84 = 616,424.32 : x
  2. Step 2: Convert to fraction form
    1,125,726.40/1,553,499.84 = 616,424.32/x
  3. Step 3: Cross multiply
    1,125,726.40x = 1,553,499.84 × 616,424.32
  4. Step 4: Simplify right side
    1,125,726.40x = 957,615,082,492.11
  5. Step 5: Solve for x
    x = 957,615,082,492.11/1,125,726.40
  6. Step 6: Final answer
    x = 850,664.14

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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.