Home / 1,129,620.80-1,691,666.40-537,953.60

Finding the Fourth Proportional to 1,129,620.80, 1,691,666.40 and 537,953.60

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Solution

The fourth proportional to 1,129,620.80, 1,691,666.40 and 537,953.60 is: 805,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,620.80 : 1,691,666.40 = 537,953.60 : x
  2. Step 2: Convert to fraction form
    1,129,620.80/1,691,666.40 = 537,953.60/x
  3. Step 3: Cross multiply
    1,129,620.80x = 1,691,666.40 × 537,953.60
  4. Step 4: Simplify right side
    1,129,620.80x = 910,038,029,879.04
  5. Step 5: Solve for x
    x = 910,038,029,879.04/1,129,620.80
  6. Step 6: Final answer
    x = 805,613.73

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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.