Home / 1,154,687.36-1,593,404.17-638,411.40

Finding the Fourth Proportional to 1,154,687.36, 1,593,404.17 and 638,411.40

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Solution

The fourth proportional to 1,154,687.36, 1,593,404.17 and 638,411.40 is: 880,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,687.36 : 1,593,404.17 = 638,411.40 : x
  2. Step 2: Convert to fraction form
    1,154,687.36/1,593,404.17 = 638,411.40/x
  3. Step 3: Cross multiply
    1,154,687.36x = 1,593,404.17 × 638,411.40
  4. Step 4: Simplify right side
    1,154,687.36x = 1,017,247,385,339.51
  5. Step 5: Solve for x
    x = 1,017,247,385,339.51/1,154,687.36
  6. Step 6: Final answer
    x = 880,972.14

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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.