Home / 992,550.15-1,369,719.96-556,907.50

Finding the Fourth Proportional to 992,550.15, 1,369,719.96 and 556,907.50

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Solution

The fourth proportional to 992,550.15, 1,369,719.96 and 556,907.50 is: 768,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,550.15 : 1,369,719.96 = 556,907.50 : x
  2. Step 2: Convert to fraction form
    992,550.15/1,369,719.96 = 556,907.50/x
  3. Step 3: Cross multiply
    992,550.15x = 1,369,719.96 × 556,907.50
  4. Step 4: Simplify right side
    992,550.15x = 762,807,318,623.70
  5. Step 5: Solve for x
    x = 762,807,318,623.70/992,550.15
  6. Step 6: Final answer
    x = 768,532.77

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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.