Home / 1,282,133.30-1,920,867.15-1,044,187.70

Finding the Fourth Proportional to 1,282,133.30, 1,920,867.15 and 1,044,187.70

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Solution

The fourth proportional to 1,282,133.30, 1,920,867.15 and 1,044,187.70 is: 1,564,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,133.30 : 1,920,867.15 = 1,044,187.70 : x
  2. Step 2: Convert to fraction form
    1,282,133.30/1,920,867.15 = 1,044,187.70/x
  3. Step 3: Cross multiply
    1,282,133.30x = 1,920,867.15 × 1,044,187.70
  4. Step 4: Simplify right side
    1,282,133.30x = 2,005,745,851,364.06
  5. Step 5: Solve for x
    x = 2,005,745,851,364.06/1,282,133.30
  6. Step 6: Final answer
    x = 1,564,381.68

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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.