Home / 1,186,285.80-1,779,428.70-1,116,301.80

Finding the Fourth Proportional to 1,186,285.80, 1,779,428.70 and 1,116,301.80

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Solution

The fourth proportional to 1,186,285.80, 1,779,428.70 and 1,116,301.80 is: 1,674,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,285.80 : 1,779,428.70 = 1,116,301.80 : x
  2. Step 2: Convert to fraction form
    1,186,285.80/1,779,428.70 = 1,116,301.80/x
  3. Step 3: Cross multiply
    1,186,285.80x = 1,779,428.70 × 1,116,301.80
  4. Step 4: Simplify right side
    1,186,285.80x = 1,986,379,460,781.66
  5. Step 5: Solve for x
    x = 1,986,379,460,781.66/1,186,285.80
  6. Step 6: Final answer
    x = 1,674,452.70

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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.