Home / 1,428,950.65-1,971,981.18-808,755.77

Finding the Fourth Proportional to 1,428,950.65, 1,971,981.18 and 808,755.77

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Solution

The fourth proportional to 1,428,950.65, 1,971,981.18 and 808,755.77 is: 1,116,099.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,950.65 : 1,971,981.18 = 808,755.77 : x
  2. Step 2: Convert to fraction form
    1,428,950.65/1,971,981.18 = 808,755.77/x
  3. Step 3: Cross multiply
    1,428,950.65x = 1,971,981.18 × 808,755.77
  4. Step 4: Simplify right side
    1,428,950.65x = 1,594,851,157,656.41
  5. Step 5: Solve for x
    x = 1,594,851,157,656.41/1,428,950.65
  6. Step 6: Final answer
    x = 1,116,099.54

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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.