Home / 1,547,779.47-2,135,818.58-868,584.75

Finding the Fourth Proportional to 1,547,779.47, 2,135,818.58 and 868,584.75

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Solution

The fourth proportional to 1,547,779.47, 2,135,818.58 and 868,584.75 is: 1,198,581.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,779.47 : 2,135,818.58 = 868,584.75 : x
  2. Step 2: Convert to fraction form
    1,547,779.47/2,135,818.58 = 868,584.75/x
  3. Step 3: Cross multiply
    1,547,779.47x = 2,135,818.58 × 868,584.75
  4. Step 4: Simplify right side
    1,547,779.47x = 1,855,139,443,011.73
  5. Step 5: Solve for x
    x = 1,855,139,443,011.73/1,547,779.47
  6. Step 6: Final answer
    x = 1,198,581.24

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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.