Home / 1,668,779.10-2,501,419.05-657,510.30

Finding the Fourth Proportional to 1,668,779.10, 2,501,419.05 and 657,510.30

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Solution

The fourth proportional to 1,668,779.10, 2,501,419.05 and 657,510.30 is: 985,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,779.10 : 2,501,419.05 = 657,510.30 : x
  2. Step 2: Convert to fraction form
    1,668,779.10/2,501,419.05 = 657,510.30/x
  3. Step 3: Cross multiply
    1,668,779.10x = 2,501,419.05 × 657,510.30
  4. Step 4: Simplify right side
    1,668,779.10x = 1,644,708,789,991.22
  5. Step 5: Solve for x
    x = 1,644,708,789,991.22/1,668,779.10
  6. Step 6: Final answer
    x = 985,576.10

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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.