Home / 1,157,378.76-1,597,114.40-633,985.25

Finding the Fourth Proportional to 1,157,378.76, 1,597,114.40 and 633,985.25

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Solution

The fourth proportional to 1,157,378.76, 1,597,114.40 and 633,985.25 is: 874,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,378.76 : 1,597,114.40 = 633,985.25 : x
  2. Step 2: Convert to fraction form
    1,157,378.76/1,597,114.40 = 633,985.25/x
  3. Step 3: Cross multiply
    1,157,378.76x = 1,597,114.40 × 633,985.25
  4. Step 4: Simplify right side
    1,157,378.76x = 1,012,546,961,007.10
  5. Step 5: Solve for x
    x = 1,012,546,961,007.10/1,157,378.76
  6. Step 6: Final answer
    x = 874,862.23

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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.