Home / 1,159,706.71-1,600,482.92-643,558.31

Finding the Fourth Proportional to 1,159,706.71, 1,600,482.92 and 643,558.31

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Solution

The fourth proportional to 1,159,706.71, 1,600,482.92 and 643,558.31 is: 888,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,706.71 : 1,600,482.92 = 643,558.31 : x
  2. Step 2: Convert to fraction form
    1,159,706.71/1,600,482.92 = 643,558.31/x
  3. Step 3: Cross multiply
    1,159,706.71x = 1,600,482.92 × 643,558.31
  4. Step 4: Simplify right side
    1,159,706.71x = 1,030,004,083,179.07
  5. Step 5: Solve for x
    x = 1,030,004,083,179.07/1,159,706.71
  6. Step 6: Final answer
    x = 888,159.11

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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.