Home / 1,187,210.16-1,777,861.26-830,554.20

Finding the Fourth Proportional to 1,187,210.16, 1,777,861.26 and 830,554.20

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Solution

The fourth proportional to 1,187,210.16, 1,777,861.26 and 830,554.20 is: 1,243,764.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,210.16 : 1,777,861.26 = 830,554.20 : x
  2. Step 2: Convert to fraction form
    1,187,210.16/1,777,861.26 = 830,554.20/x
  3. Step 3: Cross multiply
    1,187,210.16x = 1,777,861.26 × 830,554.20
  4. Step 4: Simplify right side
    1,187,210.16x = 1,476,610,136,510.29
  5. Step 5: Solve for x
    x = 1,476,610,136,510.29/1,187,210.16
  6. Step 6: Final answer
    x = 1,243,764.74

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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.