Home / 1,186,570.36-1,637,584.50-677,349.40

Finding the Fourth Proportional to 1,186,570.36, 1,637,584.50 and 677,349.40

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Solution

The fourth proportional to 1,186,570.36, 1,637,584.50 and 677,349.40 is: 934,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,570.36 : 1,637,584.50 = 677,349.40 : x
  2. Step 2: Convert to fraction form
    1,186,570.36/1,637,584.50 = 677,349.40/x
  3. Step 3: Cross multiply
    1,186,570.36x = 1,637,584.50 × 677,349.40
  4. Step 4: Simplify right side
    1,186,570.36x = 1,109,216,878,524.30
  5. Step 5: Solve for x
    x = 1,109,216,878,524.30/1,186,570.36
  6. Step 6: Final answer
    x = 934,809.19

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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.