Home / 1,159,740.94-1,600,530.43-643,592.77

Finding the Fourth Proportional to 1,159,740.94, 1,600,530.43 and 643,592.77

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Solution

The fourth proportional to 1,159,740.94, 1,600,530.43 and 643,592.77 is: 888,206.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,740.94 : 1,600,530.43 = 643,592.77 : x
  2. Step 2: Convert to fraction form
    1,159,740.94/1,600,530.43 = 643,592.77/x
  3. Step 3: Cross multiply
    1,159,740.94x = 1,600,530.43 × 643,592.77
  4. Step 4: Simplify right side
    1,159,740.94x = 1,030,089,812,912.99
  5. Step 5: Solve for x
    x = 1,030,089,812,912.99/1,159,740.94
  6. Step 6: Final answer
    x = 888,206.82

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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.