Home / 1,180,132.28-1,628,580.15-663,886.53

Finding the Fourth Proportional to 1,180,132.28, 1,628,580.15 and 663,886.53

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Solution

The fourth proportional to 1,180,132.28, 1,628,580.15 and 663,886.53 is: 916,162.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,132.28 : 1,628,580.15 = 663,886.53 : x
  2. Step 2: Convert to fraction form
    1,180,132.28/1,628,580.15 = 663,886.53/x
  3. Step 3: Cross multiply
    1,180,132.28x = 1,628,580.15 × 663,886.53
  4. Step 4: Simplify right side
    1,180,132.28x = 1,081,192,426,477.49
  5. Step 5: Solve for x
    x = 1,081,192,426,477.49/1,180,132.28
  6. Step 6: Final answer
    x = 916,162.06

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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.