Home / 1,129,582.40-1,558,834.54-620,295.44

Finding the Fourth Proportional to 1,129,582.40, 1,558,834.54 and 620,295.44

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Solution

The fourth proportional to 1,129,582.40, 1,558,834.54 and 620,295.44 is: 856,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,582.40 : 1,558,834.54 = 620,295.44 : x
  2. Step 2: Convert to fraction form
    1,129,582.40/1,558,834.54 = 620,295.44/x
  3. Step 3: Cross multiply
    1,129,582.40x = 1,558,834.54 × 620,295.44
  4. Step 4: Simplify right side
    1,129,582.40x = 966,937,947,531.59
  5. Step 5: Solve for x
    x = 966,937,947,531.59/1,129,582.40
  6. Step 6: Final answer
    x = 856,013.65

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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.