Home / 1,026,511.65-1,416,639.93-618,743.07

Finding the Fourth Proportional to 1,026,511.65, 1,416,639.93 and 618,743.07

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Solution

The fourth proportional to 1,026,511.65, 1,416,639.93 and 618,743.07 is: 853,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,511.65 : 1,416,639.93 = 618,743.07 : x
  2. Step 2: Convert to fraction form
    1,026,511.65/1,416,639.93 = 618,743.07/x
  3. Step 3: Cross multiply
    1,026,511.65x = 1,416,639.93 × 618,743.07
  4. Step 4: Simplify right side
    1,026,511.65x = 876,536,139,372.79
  5. Step 5: Solve for x
    x = 876,536,139,372.79/1,026,511.65
  6. Step 6: Final answer
    x = 853,897.90

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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.