Home / 1,283,675.16-1,771,855.74-830,996.76

Finding the Fourth Proportional to 1,283,675.16, 1,771,855.74 and 830,996.76

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Solution

The fourth proportional to 1,283,675.16, 1,771,855.74 and 830,996.76 is: 1,147,024.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,675.16 : 1,771,855.74 = 830,996.76 : x
  2. Step 2: Convert to fraction form
    1,283,675.16/1,771,855.74 = 830,996.76/x
  3. Step 3: Cross multiply
    1,283,675.16x = 1,771,855.74 × 830,996.76
  4. Step 4: Simplify right side
    1,283,675.16x = 1,472,406,379,127.40
  5. Step 5: Solve for x
    x = 1,472,406,379,127.40/1,283,675.16
  6. Step 6: Final answer
    x = 1,147,024.13

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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.