Home / 1,159,710.89-1,600,488.69-643,562.51

Finding the Fourth Proportional to 1,159,710.89, 1,600,488.69 and 643,562.51

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Solution

The fourth proportional to 1,159,710.89, 1,600,488.69 and 643,562.51 is: 888,164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,710.89 : 1,600,488.69 = 643,562.51 : x
  2. Step 2: Convert to fraction form
    1,159,710.89/1,600,488.69 = 643,562.51/x
  3. Step 3: Cross multiply
    1,159,710.89x = 1,600,488.69 × 643,562.51
  4. Step 4: Simplify right side
    1,159,710.89x = 1,030,014,518,563.01
  5. Step 5: Solve for x
    x = 1,030,014,518,563.01/1,159,710.89
  6. Step 6: Final answer
    x = 888,164.91

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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.