Home / 1,186,569.36-1,637,583.12-677,348.40

Finding the Fourth Proportional to 1,186,569.36, 1,637,583.12 and 677,348.40

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Solution

The fourth proportional to 1,186,569.36, 1,637,583.12 and 677,348.40 is: 934,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,569.36 : 1,637,583.12 = 677,348.40 : x
  2. Step 2: Convert to fraction form
    1,186,569.36/1,637,583.12 = 677,348.40/x
  3. Step 3: Cross multiply
    1,186,569.36x = 1,637,583.12 × 677,348.40
  4. Step 4: Simplify right side
    1,186,569.36x = 1,109,214,306,199.01
  5. Step 5: Solve for x
    x = 1,109,214,306,199.01/1,186,569.36
  6. Step 6: Final answer
    x = 934,807.81

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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.