Home / 1,159,824.12-1,600,569.90-643,587

Finding the Fourth Proportional to 1,159,824.12, 1,600,569.90 and 643,587

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Solution

The fourth proportional to 1,159,824.12, 1,600,569.90 and 643,587 is: 888,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,824.12 : 1,600,569.90 = 643,587 : x
  2. Step 2: Convert to fraction form
    1,159,824.12/1,600,569.90 = 643,587/x
  3. Step 3: Cross multiply
    1,159,824.12x = 1,600,569.90 × 643,587
  4. Step 4: Simplify right side
    1,159,824.12x = 1,030,105,980,231.30
  5. Step 5: Solve for x
    x = 1,030,105,980,231.30/1,159,824.12
  6. Step 6: Final answer
    x = 888,157.06

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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.