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Finding the Fourth Proportional to 1,788,932.16, 2,683,670.40 and 590,981.12

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Solution

The fourth proportional to 1,788,932.16, 2,683,670.40 and 590,981.12 is: 886,561.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,932.16 : 2,683,670.40 = 590,981.12 : x
  2. Step 2: Convert to fraction form
    1,788,932.16/2,683,670.40 = 590,981.12/x
  3. Step 3: Cross multiply
    1,788,932.16x = 2,683,670.40 × 590,981.12
  4. Step 4: Simplify right side
    1,788,932.16x = 1,585,998,538,702.85
  5. Step 5: Solve for x
    x = 1,585,998,538,702.85/1,788,932.16
  6. Step 6: Final answer
    x = 886,561.59

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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.