Home / 1,386,184.84-2,079,275.83-521,781.19

Finding the Fourth Proportional to 1,386,184.84, 2,079,275.83 and 521,781.19

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Solution

The fourth proportional to 1,386,184.84, 2,079,275.83 and 521,781.19 is: 782,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,184.84 : 2,079,275.83 = 521,781.19 : x
  2. Step 2: Convert to fraction form
    1,386,184.84/2,079,275.83 = 521,781.19/x
  3. Step 3: Cross multiply
    1,386,184.84x = 2,079,275.83 × 521,781.19
  4. Step 4: Simplify right side
    1,386,184.84x = 1,084,927,016,915.64
  5. Step 5: Solve for x
    x = 1,084,927,016,915.64/1,386,184.84
  6. Step 6: Final answer
    x = 782,671.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.