Home / 1,121,044.59-1,547,074.22-611,779.77

Finding the Fourth Proportional to 1,121,044.59, 1,547,074.22 and 611,779.77

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Solution

The fourth proportional to 1,121,044.59, 1,547,074.22 and 611,779.77 is: 844,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,044.59 : 1,547,074.22 = 611,779.77 : x
  2. Step 2: Convert to fraction form
    1,121,044.59/1,547,074.22 = 611,779.77/x
  3. Step 3: Cross multiply
    1,121,044.59x = 1,547,074.22 × 611,779.77
  4. Step 4: Simplify right side
    1,121,044.59x = 946,468,707,425.63
  5. Step 5: Solve for x
    x = 946,468,707,425.63/1,121,044.59
  6. Step 6: Final answer
    x = 844,273.92

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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.