Home / 1,187,674.80-1,780,345.80-588,728.40

Finding the Fourth Proportional to 1,187,674.80, 1,780,345.80 and 588,728.40

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Solution

The fourth proportional to 1,187,674.80, 1,780,345.80 and 588,728.40 is: 882,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,674.80 : 1,780,345.80 = 588,728.40 : x
  2. Step 2: Convert to fraction form
    1,187,674.80/1,780,345.80 = 588,728.40/x
  3. Step 3: Cross multiply
    1,187,674.80x = 1,780,345.80 × 588,728.40
  4. Step 4: Simplify right side
    1,187,674.80x = 1,048,140,134,280.72
  5. Step 5: Solve for x
    x = 1,048,140,134,280.72/1,187,674.80
  6. Step 6: Final answer
    x = 882,514.42

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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.